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Vulnerability Details :

CVE-2025-68645

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-22 Dec, 2025 | 00:00
Updated At-23 Jan, 2026 | 04:55
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Known Exploited Vulnerabilities (KEV)
cisa.gov
Vendor:
Synacor, Inc.Synacor
Product: Zimbra Collaboration Suite (ZCS)
Added At:22 Jan, 2026
Due At:12 Feb, 2026

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.

Used in Ransomware

:

Unknown

CWE

:
CWE-98

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.

Additional Notes:

https://wiki.zimbra.com/wiki/Security_Center ; https://nvd.nist.gov/vuln/detail/CVE-2025-68645
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:22 Dec, 2025 | 00:00
Updated At:23 Jan, 2026 | 04:55
Rejected At:
â–¼CVE Numbering Authority (CNA)

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
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://wiki.zimbra.com/wiki/Security_Center
N/A
https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
N/A
Hyperlink: https://wiki.zimbra.com/wiki/Security_Center
Resource: N/A
Hyperlink: https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
Resource: N/A
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-98CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
Type: CWE
CWE ID: CWE-98
Description: CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
Metrics
VersionBase scoreBase severityVector
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Metrics Other Info
kev
dateAdded:
2026-01-22
reference:
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-68645
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
CVE-2025-68645 added to CISA KEV2026-01-22 00:00:00
Event: CVE-2025-68645 added to CISA KEV
Date: 2026-01-22 00:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-68645
government-resource
Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-68645
Resource:
government-resource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:22 Dec, 2025 | 18:16
Updated At:23 Jan, 2026 | 18:39

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
2026-01-222026-02-12Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion VulnerabilityApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Date Added: 2026-01-22
Due Date: 2026-02-12
Vulnerability Name: Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability
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.
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CPE Matches
Synacor, Inc.
synacor
>>zimbra_collaboration_suite>>Versions from 10.0.0(inclusive) to 10.0.18(exclusive)
cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*
Synacor, Inc.
synacor
>>zimbra_collaboration_suite>>Versions from 10.1.0(inclusive) to 10.1.13(exclusive)
cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-98Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-98
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://wiki.zimbra.com/wiki/Security_Centercve@mitre.org
Release Notes
Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policycve@mitre.org
Product
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-68645134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource
Hyperlink: https://wiki.zimbra.com/wiki/Security_Center
Source: cve@mitre.org
Resource:
Release Notes
Vendor Advisory
Hyperlink: https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
Source: cve@mitre.org
Resource:
Product
Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-68645
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
US Government Resource

Change History

0
Information is not available yet

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