Cve20207796 Zimbra Collaboration Suite Full [exclusive] -

In the case of Zimbra Collaboration Suite, this SSRF vulnerability resides in the . Zimlets are small, feature-enhancing applications that integrate external services into the Zimbra web client.

An attacker could trigger a system command with the timestamp or other predictable arguments.

: Upgrade to at least Zimbra 8.8.15 Patch 7 or a later version where the security fix is implemented. cve20207796 zimbra collaboration suite full

The security risk is amplified by its real-world impact. The Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2020-7796 to its , warning organizations of active, in-the-wild exploitation by threat actors. Technical Analysis of the Vulnerability The Vulnerability Root Cause

From port 7071, she fetches:

CVE-2020-7796 is a server-side request forgery (SSRF) vulnerability in the Zimbra Collaboration Suite (ZCS) . It allows unauthenticated remote attackers to force the server to make HTTP requests to arbitrary internal or external hosts, effectively using the server as a proxy to bypass firewalls or access sensitive internal data. Vulnerability Details CVE ID: CVE-2020-7796 CVSS Score: 9.8 (Critical) Vulnerability Type: SSRF (CWE-918)

CVE-2020-7796 serves as a stark reminder of the risks associated with complex enterprise collaboration suites. The combination of an unrestricted upload feature and improper access controls created a "full" compromise scenario for thousands of mail servers. For organizations using Zimbra, continuous patching and rigorous monitoring of web directories remain the most effective defenses against such vulnerabilities. In the case of Zimbra Collaboration Suite, this

The response lists every admin email hash. She extracts admin@logi-core.local .

Block URL patterns containing /service/home/~/*?*fmt=* and any parameter with <script , javascript: , onerror= , etc. : Upgrade to at least Zimbra 8

: None. The flaw can be triggered by a completely unauthenticated, remote network actor.