US CERT Current Activity

Subscribe to US CERT Current Activity feed
A regularly updated summary of the most frequent, high-impact security incidents currently being reported to the US-CERT.

CISA Adds One Known Exploited Vulnerability to Catalog

Dec 5, 2022

Original release date: December 5, 2022CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. This type of vulnerability is a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: To view the newly added vulnerabilities in the catalog, click on the arrow in the "Date Added to Catalog" column, which will sort by descending dates. Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the Known Exploited Vulnerabilities Catalog as a living list of known CVEs that carry significant risk to the federal enterprise. BOD 22-01 requires FCEB agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information.    Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the Catalog that meet the specified criteria.  This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

#StopRansomware: Cuba Ransomware 

Dec 1, 2022

Original release date: December 1, 2022Today, the Federal Bureau of Investigation (FBI) and CISA released a joint Cybersecurity Advisory (CSA) #StopRansomware: Cuba Ransomware to provide network defenders tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) associated with Cuba ransomware. FBI investigations identified these TTPs and IOCs as recently as August 2022. This CSA updates the December 2021 FBI Flash: Indicators of Compromise Associated with Cuba Ransomware. Key updates include: FBI has identified a sharp increase in the both the number of compromised U.S. entities and the ransom amounts demanded by Cuba ransomware actors. Since spring 2022, Cuba ransomware actors have expanded their TTPs. Third-party and open-source reports have identified a possible link between Cuba ransomware actors, RomCom Remote Access Trojan (RAT) actors, and Industrial Spy ransomware actors. FBI and CISA encourage network defenders to review the joint CSA and to apply the included mitigations. See StopRansomware.gov for additional guidance on ransomware protection, detection, and response. This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA Releases Three Industrial Control Systems Advisories

Dec 1, 2022

Original release date: December 1, 2022CISA has released three (3) Industrial Control Systems (ICS) advisories on December 1, 2022. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations: •    ICSMA-22-335-01 BD BodyGuard Pumps •    ICSA-22-335-01 MELSEC iQ-R Series •    ICSA-22-335-02 Horner Automation Remote Compact Controller   This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA Releases Seven Industrial Control Systems Advisories

Nov 29, 2022

Original release date: November 29, 2022CISA released seven (7) Industrial Control Systems (ICS) advisories on November 29, 2022. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations: ICSA-22-333-01 Mitsubishi Electric GOT2000 ICSA-22-333-02 Hitachi Energys IED Connectivity Packages and PCM600 Products ICSA-22-333-03 Hitachi Energys MicroSCADA ProX SYS600 Products ICSA-22-333-04 Moxa UC Series ICSA-22-333-05 Mitsubishi Electric FA Engineering Software ICSA-21-334-02 Mitsubishi MELSEC and MELIPC Series (Update E) ICSA-19-346-02 Omron PLC CJ and CS Series (Update A) This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA Adds Two Known Exploited Vulnerabilities to Catalog

Nov 28, 2022

Original release date: November 28, 2022CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Note: To view the newly added vulnerabilities in the catalog, click on the arrow in the "Date Added to Catalog" column, which will sort by descending dates. Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the Known Exploited Vulnerabilities Catalog as a living list of known CVEs that carry significant risk to the federal enterprise. BOD 22-01 requires FCEB agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information. Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the Catalog that meet the specified criteria. This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA Releases Eight Industrial Control Systems Advisories

Nov 22, 2022

Original release date: November 22, 2022CISA has released eight (8) Industrial Control Systems (ICS) advisories on 22 November 2022. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisory for technical details and mitigations: •    ICSA-22-326-01 AVEVA Edge •    ICSA-22-326-02 Digital Alert Systems DASDEC •    ICSA-22-326-03 Phoenix Contact Automation Worx •    ICSA-22-326-04 GE Cimplicity •    ICSA-22-326-05 Moxa Multiple ARM-Based Computers •    ICSMA-21-152-01 Hillrom Medical Device Management (Update C) •    ICSA-20-212-04 Mitsubishi Electric Factory Automation Engineering Products (Update I) •    ICSA-21-049-02 Mitsubishi Electric FA Engineering Software Products (Update G)   This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA, NSA, and ODNI Release Guidance for Customers on Securing the Software Supply Chain 

Nov 17, 2022

Original release date: November 17, 2022Today, CISA, the National Security Agency (NSA), and the Office of the Director of National Intelligence (ODNI), published the third of a three-part series on securing the software supply chain: Securing Software Supply Chain Series - Recommended Practices Guide for Customers. This publication follows the August 2022 release of guidance for developers and October 2022 release of guidance for suppliers. The guidance released today, along with its accompanying fact sheet, provides recommended practices for software customers to ensure the integrity and security of software during the procuring and deployment phases. The Securing Software Supply Chain Series is an output of the Enduring Security Framework (ESF), a public-private cross-sector working group led by NSA and CISA. This series complements other U.S. government efforts underway to help the software ecosystem secure the supply chain, such as the software bill of materials (SBOM) community. CISA encourages all organizations that participate in the software supply chain to review the guidance. See CISA’s Information and Communications Technology (ICT) Supply Chain Risk Management Task Force, ICT Supply Chain Resource Library, and National Risk Management Center (NRMC) webpages for additional guidance. This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

#StopRansomware: Hive

Nov 17, 2022

Original release date: November 17, 2022Today, CISA, the Federal Bureau of Investigation (FBI), and the Department of Health and Human Services (HHS) released joint Cybersecurity Advisory (CSA) #StopRansomware: Hive Ransomware to provide network defenders tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) associated with Hive ransomware variants. FBI investigations identified these TTPs and IOCs as recently as November 2022.  Hive ransomware has targeted a wide range of businesses and critical infrastructure sectors, including Government Facilities, Communications, Critical Manufacturing, Information Technology, and—especially—Healthcare and Public Health (HPH). CISA encourages network defenders to review the CSA and to apply the included mitigations. See StopRansomware.gov for additional guidance on ransomware protection, detection, and response.  This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA Releases Two Industrial Control Systems Advisories

Nov 17, 2022

Original release date: November 17, 2022CISA has released two (2) Industrial Control Systems (ICS) advisories on November 17, 2022. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisory for technical details and mitigations: •    ICSA-22-321-01 Red Lion Crimson •    ICSA-22-321-02 Cradlepoint IBR600 This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

Cisco Releases Security Updates for Identity Services Engine

Nov 16, 2022

Original release date: November 16, 2022Cisco has released security updates for vulnerabilities affecting Cisco Identity Services Engine (ISE). A remote attacker could exploit some of these vulnerabilities to bypass authorization and access system files. For updates addressing vulnerabilities, see the Cisco Security Advisories page.    CISA encourages users and administrators to review the following advisories and apply the necessary updates: Cisco Identity Services Engine Insufficient Access Control Vulnerability Cisco Identity Services Engine Cross-Site Scripting Vulnerability This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

Samba Releases Security Updates

Nov 16, 2022

Original release date: November 16, 2022The Samba Team has released security updates to address vulnerabilities in multiple versions of Samba. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Samba security announcement CVE-2022-42898 and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

Mozilla Releases Security Updates for Multiple Products

Nov 16, 2022

Original release date: November 16, 2022Mozilla has released security updates to address vulnerabilities in Thunderbird, Firefox ESR, and Firefox. An attacker could exploit these vulnerabilities to cause user confusion or conduct spoofing attacks. CISA encourages users and administrators to review Mozilla’s security advisories for Thunderbird 102.5, Firefox ESR 102.5, and Firefox 107 for mitigations and updates. This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA and FBI Release Advisory on Iranian Government-Sponsored APT Actors Compromising Federal Network

Nov 16, 2022

Original release date: November 16, 2022Today, CISA and the Federal Bureau of Investigation (FBI) published a joint Cybersecurity Advisory (CSA), Iranian Government-Sponsored APT Actors Compromise Federal Network, Deploy Crypto Miner, Credential Harvester. The CSA provides information on an incident at a Federal Civilian Executive Branch (FCEB) organization in which Iranian government-sponsored APT actors exploited a Log4Shell vulnerability in unpatched VMware Horizon server. The CSA includes a malware analysis report (MAR), MAR-10387061-1-v1 XMRig Cryptocurrency Mining Software, on the mining software that the APT actors used against the compromised FCEB network. The CSA also provides tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) obtained from the incident response as well as recommended mitigations. CISA and FBI strongly recommend organizations apply the recommended mitigations and defensive measures, which include: Updating affected VMware Horizon and unified access gateway (UAG) systems to the latest version. Minimizing your organization’s internet-facing attack surface. Exercising, testing, and validating your organization's security program against the threat behaviors mapped to the MITRE ATT&CK for Enterprise framework in the CSA. Testing your organization’s existing security controls against the ATT&CK techniques described in the CSA.  For additional information on malicious Iranian government-sponsored cyber activity, see CISA’s Iran Cyber Threat Overview and Advisories webpage and FBI’s Iran Threats webpage. This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA Releases One Industrial Control Systems Advisory

Nov 15, 2022

Original release date: November 15, 2022CISA released one Industrial Control Systems (ICS) advisory on November 15, 2022. This advisory provides timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisory for technical details and mitigations: ICSA-22-319-01 Mitsubishi Electric GT SoftGOT2000 This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA Has Added One Known Exploited Vulnerability to Catalog    

Nov 14, 2022

Original release date: November 14, 2022CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. This type of vulnerability is a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: To view the newly added vulnerabilities in the catalog, click on the arrow in the "Date Added to Catalog" column, which will sort by descending dates. Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the Known Exploited Vulnerabilities Catalog as a living list of known CVEs that carry significant risk to the federal enterprise. BOD 22-01 requires FCEB agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information. Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the Catalog that meet the specified criteria. This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA Releases SSVC Methodology to Prioritize Vulnerabilities

Nov 10, 2022

Original release date: November 10, 2022Today CISA published its guide on Stakeholder-Specific Vulnerability Categorization (SSVC), a vulnerability management methodology that assesses vulnerabilities and prioritizes remediation efforts based on exploitation status, impacts to safety, and prevalence of the affected product in a singular system. As stated in Executive Assistant Director (EAD) Eric Goldstein's blog post Transforming the Vulnerability Management Landscape, implementing a methodology, such as SSVC, is a critical step to advancing the vulnerability management ecosystem. Additionally, the blog details advances—including CISA's Known Exploited Vulnerabilities (KEV) catalog, Common Security Advisory Framework (CSAF) machine-readable security advisories, and the Vulnerability Exploitability eXchange (VEX)—that, used in conjunction with SSVC, will reduce the window cyber threat actors have to exploit networks. CISA encourages organizations to read EAD Goldstein's blog post and to use the following resources on the SSVC webpage to strengthen their vulnerability management processes: CISA's SSVC decision tree SSVC Guide on using SSVC and the SSVC decision tree SSVC Calculator for prioritizing vulnerability responses in an organization’s respective environment This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

Cisco Releases Security Updates for Multiple Products

Nov 10, 2022

Original release date: November 10, 2022Cisco has released security updates to address vulnerabilities in multiple Cisco products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page.  CISA encourages users and administrators to review the following advisories and apply the necessary updates: •    Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL/TLS Client Denial of Service Vulnerability cisco-sa-ssl-client-dos-cCrQPkA  •    Cisco Secure Firewall 3100 Series Secure Boot Bypass Vulnerability cisco-sa-fw3100-secure-boot-5M8mUh26 •    Cisco Firepower Threat Defense Software Generic Routing Encapsulation Denial of Service Vulnerability cisco-sa-ftd-gre-dos-hmedHQPM •    Cisco FirePOWER Software for ASA FirePOWER Module, Firepower Management Center Software, and NGIPS Software SNMP Default Credential Vulnerability cisco-sa-fmcsfr-snmp-access-6gqgtJ4S •    Cisco Firepower Management Center and Firepower Threat Defense Software SSH Denial of Service Vulnerability cisco-sa-fmc-dos-OwEunWJN •    Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SNMP Denial of Service Vulnerability cisco-sa-asaftd-snmp-dos-qsqBNM6x •    Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Dynamic Access Policies Denial of Service Vulnerability cisco-sa-asa-ftd-dap-dos-GhYZBxDU This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA Releases Twenty Industrial Control Systems Advisories

Nov 10, 2022

Original release date: November 10, 2022CISA has released twenty (20) Industrial Control Systems (ICS) advisories on November 10, 2022. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations: ICSA-22-314-01 Siemens Parasolid ICSA-22-314-02 Siemens Missing Web Server Login Page of Industrial Controllers ICSA-22-314-03 Siemens SINEC Network Management System Logback Component ICSA-22-314-04 Siemens SINUMERIK ONE and SINUMERIK MC ICSA-22-314-05 Siemens RUGGEDCOM ROS ICSA-22-314-06 Siemens QMS Automotive ICSA-22-314-07 Omron NJNX-series Machine Automation Controllers ICSA-22-314-08 Omron NJNX-series ICSA-22-314-09 Siemens Teamcenter Visualization and JT2Go ICSA-22-314-10 Siemens SCALANCE W1750D ICSA-22-314-11 Siemens SICAM Q100 ICSA-21-350-06 Siemens CAPITAL VSTAR (Update A) ICSA-22-286-15 Siemens SCALANCE X-200 and X-200IRT Families (Update A) ICSA-22-258-03 Siemens RUGGEDCOM ROS (Update A) ICSA-22-228-02 LS ELEC PLC and XG5000 (Update A) ICSA-22-298-06 Delta Electronic DIAEnergie (Update A) ICSA-22-258-04 Siemens Mendix SAML Module (Update A) ICSA-22-286-11 Siemens SCALANCE and RUGGEDCOM Products (Update A) ICSA-21-350-13 Siemens Questa and ModelSim (Update A) ICSA-22-069-01 Siemens RUGGEDCOM Devices (Update C) This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

CISA Updates Advisory on Threat Actors Exploiting Multiple CVEs Against Zimbra Collaboration Suite

Nov 10, 2022

Original release date: November 10, 2022CISA and the Multi-State Information Sharing & Analysis Center (MS-ISAC) have updated joint Cybersecurity Advisory AA22-228A: Threat Actors Exploiting Multiple CVEs Against Zimbra Collaboration Suite, originally released August 16, 2022. The advisory has been updated to include an additional Malware Analysis Report containing new indicators of compromise. CISA encourages organizations to review the latest update to AA22-228A and apply the recommended mitigations. This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

Microsoft Releases November 2022 Security Updates

Nov 9, 2022

Original release date: November 9, 2022Microsoft has released updates to address multiple vulnerabilities in Microsoft software. An attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Microsoft’s November 2022 Security Update Guide and Deployment Information and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.

Continue Reading ›

Pages

Related Content

Best Practices

10 Best Pactices

Our 10 Best Pactices

Contact Us

Contact Information Security at 756-7000

Contacts

Did you know?

Stay Safe Online Tips