Cve20207796 Zimbra Collaboration Suite Full [new] Jun 2026

The vulnerability is specifically linked to the WebEx Zimlet ( com_zimbra_webex ) when the Zimlet JSP functionality is enabled.

CVE-2020-7796 is a critical security vulnerability affecting the Zimbra Collaboration Suite (ZCS). The flaw allows an unauthenticated, remote attacker to execute arbitrary code on the affected server. This vulnerability arises from improper input sanitization in the unrar binary utility used by the Amavis spam/antivirus scanning service. cve20207796 zimbra collaboration suite full

Maya, a senior security analyst. She’s reviewing a routine vulnerability scan report from the previous night. The vulnerability is specifically linked to the WebEx

Administrators must secure their environments immediately, as massive scanning and exploitation attempts have been actively logged. 1. Upgrade Zimbra cve20207796 zimbra collaboration suite full

To prevent exploitation of this vulnerability, administrators should: