The US-CERT Current Activity web page is a regularly updated summary of the most frequent, high-impact types of security incidents currently being reported to the US-CERT.

Cisco Releases Security Advisory for Vulnerability in AnyConnect Software

Cisco has released security updates to address vulnerabilities in AnyConnect Secure Mobility Client Software and Security Manager. An attacker could exploit these vulnerabilities to take control of an affected system.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the following Cisco Security Advisories and apply the necessary updates or workarounds.

Apache Releases Security Advisory for Apache Tomcat

The Apache Software Foundation has released a security advisory to address a vulnerability in Apache Tomcat. An attacker could exploit this vulnerability to cause a denial-of-service condition.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Apache security advisory for CVE-2020-17527 and upgrade to the appropriate version.

Google Releases Security Updates for Chrome

Google has released Chrome version 87.0.4280.88 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Chrome Release and apply the necessary updates.

VMware Releases Security Updates to Address CVE-2020-4006

VMware has released security updates to address a vulnerability—CVE-2020-4006—in VMware Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector. An attacker could exploit this vulnerability to take control of an affected system. 

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review VMware Security Advisory VMSA-2020-0027.2 and apply the necessary updates. 

Heightened Awareness for Iranian Cyber Activity

Iranian cyber threat actors have been continuously improving their offensive cyber capabilities. They continue to engage in more conventional offensive cyber activities ranging from website defacement, distributed denial of service (DDoS) attacks, and theft of personally identifiable information (PII), to more advanced activities—including social media-driven influence operations, destructive malware, and, potentially, cyber-enabled kinetic attacks.

NCSC Releases 2020 Annual Review

The United Kingdom (UK) National Cyber Security Centre (NCSC) has released its Annual Review 2020, which focuses on its response to evolving and challenging cyber threats. Recognizing cybersecurity as a “team sport,” the publication includes highlights of NCSC’s collaboration with many partners, including the Cybersecurity and Infrastructure Security Agency (CISA). A few examples: