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Malicious Cyber Actors Continue to Exploit Log4Shell in VMware Horizon Systems

CISA and CGCYBER encourage users and administrators to update all affected VMware Horizon and UAG systems to the latest versions.

CISA and the United States Coast Guard Cyber Command (CGCYBER) have released a joint Cybersecurity Advisory (CSA) to warn network defenders that cyber threat actors, including state-sponsored advanced persistent threat (APT) actors, have continued to exploit CVE-2021-44228 (Log4Shell) in VMware Horizon® and Unified Access Gateway (UAG) servers to obtain initial access to organizations that did not apply available patches. The CSA provides information—including tactics, techniques, and procedures and indicators of compromise—derived from two related incident response engagements and malware analysis of samples discovered on the victims’ networks.

CISA and CGCYBER encourage users and administrators to update all affected VMware Horizon and UAG systems to the latest versions. If updates or workarounds were not promptly applied following VMware’s release of updates for Log4Shell, treat all affected VMware systems as compromised. See joint CSA Malicious Cyber Actors Continue to Exploit Log4Shell in VMware Horizon Systems for more information and additional recommendations.

Read more at CISA

Homeland Security Todayhttp://www.hstoday.us
The Government Technology & Services Coalition's Homeland Security Today (HSToday) is the premier news and information resource for the homeland security community, dedicated to elevating the discussions and insights that can support a safe and secure nation. A non-profit magazine and media platform, HSToday provides readers with the whole story, placing facts and comments in context to inform debate and drive realistic solutions to some of the nation’s most vexing security challenges.

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