US CERT Current Activity
Apple Releases Security Updates for Multiple Products
May 17, 2022
Original release date: May 17, 2022Apple has released security updates to address vulnerabilities in multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system. Note: Apple notes they are aware of a report that states CVE-2022-22675 may have been actively exploited. CVE-2022-22675 affects watchOS, tvOS, and macOS Big Sur. CISA encourages users and administrators to review the Apple security pages for the following products and apply the necessary updates. watchOS 8.6 tvOS 15.3 macOS Catalina macOS Big Sur 11.6.6 macOS Monterey 12.4 iOS 15.5 and iPad OS 15.5 Xcode 13.4 This product is provided subject to this Notification and this Privacy & Use policy.
Weak Security Controls and Practices Routinely Exploited for Initial Access
May 17, 2022
Original release date: May 17, 2022The cybersecurity authorities of the United States, Canada, New Zealand, the Netherlands, and the United Kingdom have issued a joint Cybersecurity Advisory (CSA) on 10 routinely exploited weak security controls, poor configurations, and bad practices that allow malicious actors to compromise networks. While these poor practices may be common, organizations can apply basic practices, such as the following, to help protect their systems: Control access. Harden credentials. Establish centralized log management. Use antivirus solutions. Employ detection tools. Operate services exposed on internet-accessible hosts with secure configurations. Keep software updated. CISA encourages organizations to review Weak Security Controls and Practices Routinely Exploited for Initial Access and apply the recommended mitigations. This product is provided subject to this Notification and this Privacy & Use policy.
CISA Adds Two Known Exploited Vulnerabilities to Catalog
May 16, 2022
Original release date: May 16, 2022CISA has added two 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.
Apache Releases Security Advisory for Tomcat
May 16, 2022
Original release date: May 16, 2022The Apache Software Foundation has released a security advisory to address a vulnerability in multiple versions of Tomcat. An attacker could exploit this vulnerability to obtain sensitive information. CISA encourages users and administrators to review Apache’s security advisory and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.
CISA Temporarily Removes CVE-2022-26925 from Known Exploited Vulnerability Catalog
May 13, 2022
Original release date: May 13, 2022CISA is temporarily removing CVE-2022-26925 from its Known Exploited Vulnerability Catalog due to a risk of authentication failures when the May 10, 2022 Microsoft rollup update is applied to domain controllers. After installing May 10, 2022 rollup update on domain controllers, organizations might experience authentication failures on the server or client for services, such as Network Policy Server (NPS), Routing and Remote access Service (RRAS), Radius, Extensible Authentication Protocol (EAP), and Protected Extensible Authentication Protocol (PEAP). Microsoft notified CISA of this issue, which is related to how the mapping of certificates to machine accounts is being handled by the domain controller. For more information see the Microsoft Knowledge Base article, KB5014754—Certificate-based authentication changes on Windows domain controllers: Key Distribution Center registry key. Note: installation of updates released May 10, 2022, on client Windows devices and non-domain controller Windows Servers will not cause this issue and is still strongly encouraged. This issue only affects May 10, 2022 updates installed on servers used as domain controllers. Organizations should continue to apply updates to client Windows devices and non-domain controller Windows Servers. This product is provided subject to this Notification and this Privacy & Use policy.
Adobe Releases Security Updates for Multiple Products
May 12, 2022
Original release date: May 12, 2022Adobe has released security updates to address vulnerabilities in multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Adobe Security Bulletins and apply the necessary updates. • Character Animator APSB22-21 • ColdFusion APSB22-22 • InDesign APSB22-23 • Framemaker APSB22-27 • InCopy APSB22-28 This product is provided subject to this Notification and this Privacy & Use policy.
Google Releases Security Updates for Chrome
May 11, 2022
Original release date: May 11, 2022Google has released Chrome version 101.0.4951.64 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 update. This product is provided subject to this Notification and this Privacy & Use policy.
Microsoft Releases May 2022 Security Updates
May 11, 2022
Original release date: May 11, 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 May 2022 Security Update Summary and Deployment Information and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.
CISA Adds One Known Exploited Vulnerability to Catalog
May 11, 2022
Original release date: May 11, 2022CISA has added one new vulnerability 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 vulnerability 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.
CISA Joins Partners to Release Advisory on Protecting MSPs and their Customers
May 11, 2022
Original release date: May 11, 2022The cybersecurity authorities of the United Kingdom, Australia, Canada, New Zealand, and the United States have released joint Cybersecurity Advisory (CSA), Protecting Against Cyber Threats to Managed Service Providers and their Customers, to provide guidance on how to protect against malicious cyber activity targeting managed service providers (MSPs) and their customers. The CSA—created in response to reports of increased activity against MSPs and their customers—provides specific guidance for both MSPs and customers aimed at enabling transparent discussions on securing sensitive data. The CSA also provides tactical actions for MSPs and customers, including: Identify and disable accounts that are no longer in use. Enforce MFA on MSP accounts that access the customer environment and monitor for unexplained failed authentication. Ensure MSP-customer contracts transparently identify ownership of information and communications technology (ICT) security roles and responsibilities. CISA urges organizations to review the joint CSA and take actions to strengthen their defenses against malicious cyber activity. This product is provided subject to this Notification and this Privacy & Use policy.
CISA Adds One Known Exploited Vulnerability to Catalog
May 10, 2022
Original release date: May 10, 2022CISA has added one new vulnerability 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 vulnerability 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.
U.S. Government Attributes Cyberattacks on SATCOM Networks to Russian State-Sponsored Malicious Cyber Actors
May 10, 2022
Original release date: May 10, 2022CISA and the Federal Bureau of Investigation (FBI) have updated the joint cybersecurity advisory, Strengthening Cybersecurity of SATCOM Network Providers and Customers, originally released March 17, 2022, with U.S. government attribution to Russian state-sponsored malicious cyber actors. The United States assesses Russia launched cyberattacks in late February against commercial satellite communications networks to disrupt Ukrainian command and control during the Russia invasion, and those actions had spillover impacts into other European countries. CISA is working with both international and JCDC partners to strengthen our collective cybersecurity resilience—especially in the critical infrastructure that governments and citizens rely on—and to protect against and respond to malicious cyber activity. We continue to urge public and private sector partners to review and implement the guidance contained in U.S. government cybersecurity advisories, including Strengthening Cybersecurity of SATCOM Network Providers and Customers, the January 2022 cybersecurity advisory on Protecting VSAT Communications, and the April 2022 cybersecurity advisory on Russian State-Sponsored and Criminal Threats to Critical Infrastructure. CISA also recommends partners review the CISA Shields Up, Shields Up Technical Guidance, and Russia webpages to stay current on the preventive measures that can help guard against Russian cyber threats and tactics. This product is provided subject to this Notification and this Privacy & Use policy.
Microsoft Releases Security Advisory for Azure Data Factory and Azure Synapse Pipelines
May 9, 2022
Original release date: May 9, 2022 | Last revised: May 10, 2022Microsoft has released a security advisory to address a remote code execution vulnerability affecting Azure Data Factory and Azure Synapse Pipelines. A remote attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review Microsoft Advisory ADV220001 for more information and to apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.
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.
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.
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.
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.
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.
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.
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.
