US CERT Current Activity

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

Cisco Releases Security Updates for Enterprise NFV Infrastructure Software

May 5, 2022

Original release date: May 5, 2022Cisco has released security updates to address multiple vulnerabilities in Enterprise NFV Infrastructure Software. An attacker could exploit these vulnerabilities to take control of an affected system.   CISA encourages users and administrators to review Cisco advisory cisco-sa-NFVIS-MUL-7DySRX9 and apply the necessary updates. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page.  This product is provided subject to this Notification and this Privacy & Use policy.

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F5 Releases Security Advisories Addressing Multiple Vulnerabilities

May 4, 2022

Original release date: May 4, 2022F5 has released security advisories on vulnerabilities affecting multiple products, including various versions of BIG-IP. Included in the release is an advisory for CVE-2022-1388, which allows undisclosed requests to bypass the iControl REST authentication in BIG-IP. An attacker could exploit CVE-2022-1388 to take control of an affected system. CISA encourages users and administrators to review the F5 webpage, Overview of F5 vulnerabilities (May 2022), and apply the necessary updates or workarounds. This product is provided subject to this Notification and this Privacy & Use policy.

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Mozilla Releases Security Updates for Firefox and Firefox ESR

May 4, 2022

Original release date: May 4, 2022Mozilla has released security updates to address vulnerabilities in Firefox and Firefox ESR. An attacker could exploit some of these vulnerabilities to take control of an affected system.  CISA encourages users and administrators to review the Mozilla Security Advisory for Firefox 100 and Firefox ESR 91.9 and apply the necessary updates.  This product is provided subject to this Notification and this Privacy & Use policy.

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CISA Adds Five Known Exploited Vulnerabilities to Catalog

May 4, 2022

Original release date: May 4, 2022CISA has added five new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are 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 on the of 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 meet the specified criteria.  This product is provided subject to this Notification and this Privacy & Use policy.

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Google Releases Security Updates for Chrome

Apr 28, 2022

Original release date: April 28, 2022Google has released Chrome version 101.0.4951.41 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. CISA encourages users and administrators to review the Chrome Release Note and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.

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CISA and FBI Update Advisory on Destructive Malware Targeting Organizations in Ukraine

Apr 28, 2022

Original release date: April 28, 2022CISA and the Federal Bureau of Investigation (FBI) have updated joint Cybersecurity Advisory AA22-057A: Destructive Malware Targeting Organizations in Ukraine, originally released February 26, 2022. The advisory has been updated to include additional indicators of compromise for WhisperGate and technical details for HermeticWiper, IsaacWiper, HermeticWizard, and CaddyWiper destructive malware. CISA and the FBI encourage organizations to review the update to AA22-057A as well as the Shields Up Technical Guidance webpage for ways to identify, respond to, and mitigate disruptive cyber activity.  This product is provided subject to this Notification and this Privacy & Use policy.

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Cisco Releases Security Updates for Multiple Products

Apr 27, 2022

Original release date: April 27, 2022 | Last revised: April 28, 2022Cisco has released security updates to address vulnerabilities in multiple Cisco products. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Cisco Security Advisories page and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.

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2021 Top Routinely Exploited Vulnerabilities

Apr 27, 2022

Original release date: April 27, 2022CISA, the National Security Agency (NSA), the Federal Bureau of Investigation (FBI), the Australian Cyber Security Centre (ACSC), the Canadian Centre for Cyber Security (CCCS), the New Zealand National Cyber Security Centre (NZ NCSC), and the United Kingdom’s National Cyber Security Centre (NCSC-UK)  have released a joint Cybersecurity Advisory that provides details on the top 15 Common Vulnerabilities and Exposures (CVEs) routinely exploited by malicious cyber actors in 2021, as well as other CVEs frequently exploited. CISA encourages users and administrators to review joint Cybersecurity Advisory: 2021 Top Routinely Exploited Vulnerabilities  and apply the recommended mitigations to reduce the risk of compromise by malicious cyber actors.  This product is provided subject to this Notification and this Privacy & Use policy.

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CISA Adds Seven Known Exploited Vulnerabilities to Catalog

Apr 25, 2022

Original release date: April 25, 2022CISA has added seven new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are 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 on the of 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 meet the specified criteria.  This product is provided subject to this Notification and this Privacy & Use policy.

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FBI Releases IOCs Associated with BlackCat/ALPHV Ransomware

Apr 22, 2022

Original release date: April 22, 2022The Federal Bureau of Investigation (FBI) has released a Flash report detailing indicators of compromise (IOCs) associated with attacks involving BlackCat/ALPHV, a Ransomware-as-a-Service that has compromised at least 60 entities worldwide. CISA encourages users and administrators to review the IOCs and technical details in FBI Flash CU-000167-MW and apply the recommended mitigations.  This product is provided subject to this Notification and this Privacy & Use policy.

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Drupal Releases Security Updates

Apr 21, 2022

Original release date: April 21, 2022Drupal has released security updates to address vulnerabilities affecting Drupal 9.2 and 9.3. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Drupal security advisories SA-CORE-008 and SA-CORE-009 and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.

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Cisco Releases Security Updates for Multiple Products

Apr 21, 2022

Original release date: April 21, 2022Cisco has released security updates to address vulnerabilities in multiple Cisco products. An 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 Cisco advisories and apply the necessary updates: Cisco Virtualized Infrastructure Manager Privilege Escalation Vulnerability cisco-sa-vim-privesc-T2tsFUf Cisco Umbrella Virtual Appliance Static SSH Host Key Vulnerability cisco-sa-uva-static-key-6RQTRs4c Cisco TelePresence Collaboration Endpoint and RoomOS Software H.323 Denial of Service Vulnerability cisco-sa-ce-roomos-dos-c65x2Qf2 This product is provided subject to this Notification and this Privacy & Use policy.

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Russian State-Sponsored and Criminal Cyber Threats to Critical Infrastructure

Apr 20, 2022

Original release date: April 20, 2022The cybersecurity authorities of the United States, Australia, Canada, New Zealand, and the United Kingdom have released a joint Cybersecurity Advisory (CSA) to warn organizations that Russia’s invasion of Ukraine could expose organizations both within and beyond the region to increased malicious cyber activity from Russian state-sponsored cyber actors or Russian-aligned cybercrime groups. Joint CSA: Russian State-Sponsored and Criminal Cyber Threats to Critical Infrastructure, drafted with contributions from industry members of the Joint Cyber Defense Collaborative, provides an overview of Russian state-sponsored advanced persistent threat groups, Russian-aligned cyber threat groups, and Russian-aligned cybercrime groups to help the cybersecurity community protect against possible cyber threats. U.S., Australian, Canadian, New Zealand, and UK cybersecurity authorities urge critical infrastructure network defenders to prepare for and mitigate potential cyber threats by hardening their cyber defenses as recommended in the joint CSA. For more information on current and historical Russian-state-sponsored cyber activity and recommended mitigations, see the following CISA webpages:  Russia Cyber Threat Overview and Advisories Shields Up Shields Up Technical Guidance Joint CSA: Understanding and Mitigating Russian State-Sponsored Cyber Threats to U.S. Critical Infrastructure This product is provided subject to this Notification and this Privacy & Use policy.

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Oracle Releases April 2022 Critical Patch Update

Apr 19, 2022

Original release date: April 19, 2022Oracle has released its Critical Patch Update for April 2022 to address 520 vulnerabilities across multiple products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system.  CISA encourages users and administrators to review the Oracle April 2022 Critical Patch Update and apply the necessary updates.  This product is provided subject to this Notification and this Privacy & Use policy.

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CISA Adds Three Known Exploited Vulnerabilities to Catalog

Apr 19, 2022

Original release date: April 19, 2022CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are 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 on the of 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 meet the specified criteria. This product is provided subject to this Notification and this Privacy & Use policy.

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CISA Releases Secure Cloud Business Applications (SCuBA) Guidance Documents for Public Comment

Apr 18, 2022

Original release date: April 18, 2022 | Last revised: April 19, 2022CISA has released draft versions of two guidance documents—along with a request for comment (RFC)—that are a part of the recently launched Secure Cloud Business Applications (SCuBA) project: Secure Cloud Business Applications (SCuBA) Technical Reference Architecture (TRA)  Extensible Visibility Reference Framework (eVRF) Program Guidebook  The public comment period for the RFC guidance documents closes on May 19, 2022. In accordance with Executive Order 14028, which is aimed at improving security for federal government networks, CISA’s SCuBA project aims to develop consistent, effective, modern, and manageable security that will help secure agency information assets stored within cloud operations.   CISA encourages interested parties to review the RFC guidance documents and provide comment. See CISA Blog: SCuBA? It means better visibility, standards, and security practices for government cloud for more information and for links to the RFC guidance documents.  This product is provided subject to this Notification and this Privacy & Use policy.

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North Korean State-Sponsored APT Targets Blockchain Companies

Apr 18, 2022

Original release date: April 18, 2022CISA,  the Federal Bureau of Investigation (FBI), and the U.S. Treasury Department have released a joint Cybersecurity Advisory (CSA) that details cyber threats associated with cryptocurrency thefts and tactics used by a North Korean state-sponsored advanced persistent threat (APT) actor known as the Lazarus Group.   CISA encourages organizations to review joint CSA: TraderTraitor: North Korean State-Sponsored APT Targets Blockchain Companies and apply the recommendations.  This product is provided subject to this Notification and this Privacy & Use policy.

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Google Releases Security Updates for Chrome

Apr 15, 2022

Original release date: April 15, 2022Google has released Chrome version 100.0.4896.127 for Windows, Mac, and Linux. This version addresses a vulnerability that an attacker could exploit to take control of an affected system. This vulnerability has been detected in exploits in the wild.  CISA encourages users and administrators to review the Chrome Release Note and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.

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VMware Releases Security Updates for Cloud Director

Apr 15, 2022

Original release date: April 15, 2022VMware has released security updates to address a remote code execution vulnerability in Cloud Director. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review VMware Security Advisory VMSA-2022-0013 and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.

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CISA Adds Nine Known Exploited Vulnerabilities to Catalog

Apr 15, 2022

Original release date: April 15, 2022CISA has added nine new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are 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 on the of 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 meet the specified criteria. This product is provided subject to this Notification and this Privacy & Use policy.

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