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CVE-2025-68645

is CVE-2025-68645real, exploitable, or a false positive? Here's the community ground truth.

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High · CVSS 8.8EPSS 31.8%CISA KEVCWE-98

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

References

NVD MITRE CVE.org CISA KEV

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Community ground truth

Community verdict

3 verdicts
Not a real issue

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Community real-world severity: High (High 3) — CVSS base score 8.8

In line with its CVSS base score.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Lin WeiCurated

    Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability — 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. Listed in the CISA KEV catalog (added 2026-01-22) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~32%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · Nadia PetrovaCurated

    Required action for Synacor Zimbra Collaboration Suite (ZCS): 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 set a federal remediation due date of 2026-02-12. After patching, verify the vulnerable path is no longer reachable before closing the finding.