CVE-2025-68645 · netVigilance record NV26-0009
Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion
past due
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2026-02-12 · passed 6 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
Synacor Zimbra Collaboration Suite (ZCS) contains a PHP remote file inclusion vulnerability that could allow for remote attackers to craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
Who is affected
Synacor Zimbra Collaboration Suite (ZCS). Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-98.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 6 months ago
Sources
- NVD entry for CVE-2025-68645 nvd.nist.gov/vuln/detail/CVE-2025-68645
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- wiki.zimbra.com wiki.zimbra.com/wiki/Security_Center
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2025-68645