PHP file inclusion in Zimbra Collaboration - CVE-2024-54663
Published: November 12, 2024 / Updated: April 21, 2026
Vulnerability identifier: #VU100260
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2024-54663
CWE-ID: CWE-98
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Synacor Inc.
Affected software:
Zimbra Collaboration
Zimbra Collaboration
Detailed vulnerability description
The vulnerability allows a remote user to include and execute arbitrary PHP files on the server.
The vulnerability exists due to incorrect input validation when including PHP files in the /h/rest endpoint. A remote authenticated user can send a specially crafted HTTP request to the affected application, include and execute arbitrary PHP code on the system with privileges of the web server.
How to mitigate CVE-2024-54663
Install updates from vendor's website.