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CVE-2025-68645

A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of…

High8.8Known exploitedEPSS 48.9%
Published
Updated
Reserved
Assigned by
mitre

Description

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.

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability.

Added
22 Jan 2026
Fix due (US federal)
12 Feb 2026
Used by ransomware
Not known

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Scores

CVSS scores of CVE-2025-68645, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1High8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1High8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
48.9% · top 1.1% of all CVEs (5 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

  • n/a

    • affected n/a

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .