CVE-2025-68645
📛 CVE Title
CVE-2025-68645
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- mitre
- CVSS severity
- —
- CVSS score
- —
- CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C- Effective score
- 8.8 / 10 HIGH source: NVD
- CWE(s)
- —
- Reserved
- 2025-12-21
- Published
- 2025-12-22 01:00 UTC
- Last updated
- 2026-02-26 17:07 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/68xxx/CVE-2025-68645.json
- Linked Threat
- CVE-2025-68645 — Synacor Zimbra Collaboration Suite (ZCS): Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability
CISA Known Exploited Vulnerabilities CISA KEV
CISA has confirmed in-the-wild exploitation of this CVE. Federal agencies must remediate by the due date below; private orgs should treat it as priority-1.
- Vulnerability name
- Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability
- Vendor / project
- Synacor
- Product
- Zimbra Collaboration Suite (ZCS)
- Date added to KEV
- 2026-01-22
- Remediation due
- 2026-02-12
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Ransomware campaign use
- Unknown
- CISA notes
- https://wiki.zimbra.com/wiki/Security_Center ; https://nvd.nist.gov/vuln/detail/CVE-2025-68645
- CISA listing
- www.cisa.gov/known-exploited-vulnerabilities-catalog
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2025-12-22 18:16:17 UTC
- NVD last modified
- 2026-01-23 18:39:33 UTC
- NVD CVSS v3.1
- 8.8 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Exploitability subscore
- 2.8 / 10
- Impact subscore
- 5.9 / 10
- EPSS score
- 0.5607 (probability of exploitation in next 30 days)
- EPSS percentile
- 98.14% vs all CVEs — higher = more likely to be exploited, as of 2026-05-25
NVD-assigned CWE(s):
CWE-98
(differs from the CNA list above)
NVD / KEV / EPSS data refreshed 2026-05-25 23:12 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2025-204719 - Assigner
- mitre
- Published
- Dec 22, 2025, 12:00:00 AM
- Updated
- Feb 26, 2026, 4:07:24 PM
- EUVD base score (CVSS 3.1)
-
8.8 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EUVD-reported EPSS
- 47.5500
- Vendors
- n/a
- Products
-
n/a (n/a)
- Aliases
-
GHSA-xc78-3c4g-m5g9
ENISA 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.
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| n/a | n/a |
n/a (affected)
|
— |
Affected products — CPE 2.3 (1) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*
Vendor references (2)
References embedded in the original CVE record by the assigning CNA.
Web references (7)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- http://cwe.mitre.org/data/definitions/98.html rapid7:cwe.mitre.org
- https://attackerkb.com/topics/CVE-2025-68645 rapid7:attackerkb.com
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-204719 rapid7:euvd.enisa.europa.eu
- https://wiki.zimbra.com/wiki/Security_Center rapid7:wiki.zimbra.com
- https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy rapid7:wiki.zimbra.com
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories rapid7:wiki.zimbra.com
- https://www.cve.org/CVERecord?id=CVE-2025-68645 rapid7:www.cve.org
NVD-tagged references (3)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://wiki.zimbra.com/wiki/Security_Center cve@mitre.org Release NotesVendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy cve@mitre.org Product
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-68645 134c704f-9b21-4f2e-91b3-4a467353bcc0 US Government Resource
Indicators (2)
IOCs linked to the auto-promoted Threat row.
| Type | Value | VirusTotal | Attached |
|---|---|---|---|
| cve |
CVE-2025-68645
|
no local data | 2026-05-14 02:58 UTC |
| cwe |
CWE-98
|
no local data | 2026-05-14 02:58 UTC |
Remediations (17)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.talosintelligence.com
Microsoft has released its monthly security update for August 2025 , which includes 111 vulnerabilities affecting a range of products, including 13 that Microsoft marked as "critical".
2026-05-23 17:57 UTC -
web:cybersecuritynews.com
Microsoft released its final Patch Tuesday updates of 2025 on December 9, addressing 56 security vulnerabilities across Windows, Office, Exchange Server, and other components.
2026-05-23 17:57 UTC -
web:cybersecuritynews.com
Microsoft has disclosed a critical zero-day vulnerability in Windows BitLocker, tracked as CVE -2026-45585, that allows threat actors with physical access to bypass full-disk encryption entirely, potentially exposing sensitive data within minutes.
2026-05-23 17:57 UTC -
web:gbhackers.com
Microsoft has rolled out its August 2025 Patch Tuesday fixes, addressing a total of 107 vulnerabilities across its ecosystem.
2026-05-23 17:57 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-05-23 17:57 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-23 17:57 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's November 2025 Patch Tuesday, which includes security updates for 63 flaws, including one actively exploited zero-day vulnerability.
2026-05-23 17:57 UTC -
web:www.crowdstrike.com
Microsoft has released security updates for 107 vulnerabilities, including one publicly disclosed zero-day and 13 critical, in its August 2025 Patch Tuesday rollout.
2026-05-23 17:57 UTC -
web:www.securityweek.com
Microsoft has released patches for 57 vulnerabilities, including a Windows zero-day flaw exploited in attacks.
2026-05-23 17:57 UTC -
web:www.techradar.com
Pro Security Microsoft's latest major patch fixes a serious zero-day flaw, and a host of other issues - so update now News By Sead Fadilpašić published August 13, 2025
2026-05-23 17:57 UTC -
web:blogs.oracle.com
For more information about the Critical Patch Update program, see the security vulnerability remediation practices page located on the Oracle Trust Center.
2026-05-14 18:50 UTC -
web:learn.microsoft.com
Microsoft December 2025 Security Updates This release consists of the following 57 Microsoft CVEs : Tag CVE Base Score CVSS Vector Exploitability FAQs? Workarounds? Mitigations ? Windows PowerShell CVE - 2025 -54100 Windows Projected File System…
2026-05-14 18:50 UTC -
web:support.servicenow.com
Overview The advisories below document publicly disclosed Common Vulnerabilities and Exposures ( CVEs ) in the Now Platform by ServiceNow. Because ServiceNow uses various methods to communicate vulnerability information, patches, and other fixes, customers should review family, security patch , and hotfix release notes, which are available at https://docs.servicenow.com, for a complete list of ...
2026-05-14 18:50 UTC -
web:www.upguard.com
CVE-2025-68645 is a high-severity (8.8) LFI vulnerability in Zimbra ZCS 10.0 and 10.1, actively exploited by unauthenticated remote attackers.
2026-05-14 18:50 UTC -
web:www.microsoft.com
Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.
2026-05-14 18:50 UTC -
web:www.oracle.com
This Critical Patch Update contains 374 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at October 2025 Critical Patch Update: Executive Summary and Analysis.
2026-05-14 18:50 UTC -
CISA KEV
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due date: 2026-02-12 Known ransomware campaign use: Unknown
2026-05-14 01:13 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2025-68645.json.
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