CISA and the Multi-State Information Sharing & Analysis Center, or MS-ISAC are publishing this joint Cybersecurity Advisory in response to active exploitation of multiple Common Vulnerabilities and Exposures against Zimbra Collaboration Suite, an enterprise cloud-hosted collaboration software and email platform. AA22-228A Alert, Technical Details, and Mitigations Volexity’s Mass Exploitation of (Un)authenticated Zimbra RCE: CVE-2022-27925 Hackers are actively exploiting password-stealing flaw in Zimbra CISA adds Zimbra email vulnerability to its exploited vulnerabilities catal… CVE-2022-27925 detail Mass exploitation of (un)authenticated Zimbra RCE: CVE-2022-27925 CVE-2022-37042 detail Authentication bypass in MailboxImportServlet vulnerability CVE-2022-30333 detail UnRAR vulnerability exploited in the wild, likely against Zimbra servers Zimbra Collaboration Kepler 9.0.0 patch 25 GA release Zimbra UnRAR path traversal Operation EmailThief: Active exploitation of zero-day XSS vulnerability in… Hotfix available 5 Feb for zero-day exploit vulnerability in Zimbra 8.8.15 All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov. Learn more about your ad choices. Visit megaphone.fm/adchoices

CISA and the Multi-State Information Sharing & Analysis Center, or MS-ISAC are publishing this joint Cybersecurity Advisory in response to active exploitation of multiple Common Vulnerabilities and Exposures against Zimbra Collaboration Suite, an enterprise cloud-hosted collaboration software and email platform. AA22-228A Alert, Technical Details, and Mitigations Volexity’s Mass Exploitation of (Un)authenticated Zimbra RCE: CVE-2022-27925 Hackers are actively exploiting password-stealing flaw in Zimbra CISA adds Zimbra email vulnerability to its exploited vulnerabilities catal… CVE-2022-27925 detail Mass exploitation of (un)authenticated Zimbra RCE: CVE-2022-27925 CVE-2022-37042 detail Authentication bypass in MailboxImportServlet vulnerability CVE-2022-30333 detail UnRAR vulnerability exploited in the wild, likely against Zimbra servers Zimbra Collaboration Kepler 9.0.0 patch 25 GA release Zimbra UnRAR path traversal Operation EmailThief: Active exploitation of zero-day XSS vulnerability in… Hotfix available 5 Feb for zero-day exploit vulnerability in Zimbra 8.8.15 All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov. Learn more about your ad choices. Visit megaphone.fm/adchoices