Apache Releases Security Advisory for Apache Tomcat

Original release date: December 4, 2020

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.

This product is provided subject to this Notification and this Privacy & Use policy.

Google Releases Security Updates for Chrome

Original release date: December 4, 2020

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.

This product is provided subject to this Notification and this Privacy & Use policy.

VMware Releases Security Updates to Address CVE-2020-4006

Original release date: December 3, 2020

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. 

This product is provided subject to this Notification and this Privacy & Use policy.

Heightened Awareness for Iranian Cyber Activity

Original release date: December 3, 2020

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.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review Joint Cybersecurity Advisory AA20-259A: Iran-Based Threat Actor Exploits VPN Vulnerabilities and Activity Alert AA20-133A: Top 10 Routinely Exploited Vulnerabilities for information on known Iranian advanced persistent threat (APT) actor tactics, techniques, and procedures (TTPs).

For more information on Iranian cyber threats, review the following products.

This product is provided subject to this Notification and this Privacy & Use policy.