Cve20207796 Zimbra Collaboration Suite Full //free\\ -

Zimbra released patches addressing this vulnerability. Organizations must upgrade to the latest patched versions immediately:

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The ability for an attacker to leverage this for full remote code execution, data theft, and lateral movement makes it a top priority for any organization running a Zimbra mail server. The active exploitation observed by CISA and security firms confirms that attackers are well aware of the opportunity. cve20207796 zimbra collaboration suite full

October 14, 2020 (Publication Date) Severity: Critical (CVSS 9.8) Vendor: Zimbra (Synacor) Product: Zimbra Collaboration Suite (ZCS)

Despite being originally identified in 2020, CVE-2020-7796 has seen a massive resurgence in activity. Security researchers observed a significant spike in exploitation attempts in early 2026, with nearly targeting the flaw globally. This surge prompted CISA to mandate federal agencies to apply fixes by March 10, 2026 . Remediation and Mitigation CVE-2020-7796 Detail - NVD Zimbra released patches addressing this vulnerability

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.

: The SSRF can be used as a stepping stone to chain with other exploits, potentially leading to Remote Code Execution (RCE) or full system compromise. Current Threat Landscape October 14, 2020 (Publication Date) Severity: Critical (CVSS

Sensitive information from internal metadata services or local configuration files may be retrieved. Remote Code Execution (RCE): In some configurations, SSRF can be leveraged to gain full control over the affected system 3. Affected Versions Zimbra Collaboration Suite versions prior to 8.8.15 Patch 7 4. Risk Assessment Authentication: Not required (Unauthenticated). Exploitation Status:

The vulnerability is active when the WebEx Zimlet is installed and the Zimlet JSP is enabled. Impact of the CVE-2020-7796 Vulnerability

While the vulnerability was first identified in 2020, it remains a major threat. , citing active exploitation in the wild. Organizations were given a due date of March 10, 2026, to apply mitigations. Affected Versions