CVE-2025-68645
high CISA KEVSynacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability
Vendor / product: Synacor — Zimbra Collaboration Suite (ZCS)
A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected products
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://wiki.zimbra.com/wiki/Security_Center cve@mitre.org
- https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy cve@mitre.org
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-68645 134c704f-9b21-4f2e-91b3-4a467353bcc0

