#VU105734 Server-Side Request Forgery (SSRF) in Zimbra Collaboration - CVE-2020-7796
Published: March 14, 2025
Vulnerability identifier: #VU105734
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N/E:A/U:Amber
CVE-ID: CVE-2020-7796
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Zimbra Collaboration
Zimbra Collaboration
Software vendor:
Synacor Inc.
Synacor Inc.
Description
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input in WebEx zimlet. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Remediation
Install updates from vendor's website.