What is the CVSS score of CVE-2025-25065?

CVE-2025-25065 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.4%.

Which versions of Zimbra Collaboration Suite are affected by CVE-2025-25065?

Organizations using the RSS feed parser in Zimbra Collaboration 9.0.0 should be aware of moderate risk from CVE-2025-25065, a server-side request forgery vulnerability rated CVSS 5.3.

How to fix or mitigate CVE-2025-25065?

Within 30 days: Identify affected systems running the RSS feed parser in Zimbra Collaboration 9.0.0 and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Zimbra Collaboration Suite CVE-2025-25065

MEDIUM

Server-Side Request Forgery (SSRF) (CWE-918)

2025-02-03 cve@mitre.org

SSRF Zimbra Collaboration Suite

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:07 vuln.today

CVE Published

Feb 03, 2025 - 20:15 nvd

MEDIUM 5.3

DescriptionCVE.org

SSRF vulnerability in the RSS feed parser in Zimbra Collaboration 9.0.0 before Patch 43, 10.0.x before 10.0.12, and 10.1.x before 10.1.4 allows unauthorized redirection to internal network endpoints.

AnalysisAI

SSRF vulnerability in the RSS feed parser in Zimbra Collaboration 9.0.0 before Patch 43, 10.0.x before 10.0.12, and 10.1.x before 10.1.4 allows unauthorized redirection to internal network endpoints. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. SSRF vulnerability in the RSS feed parser in Zimbra Collaboration 9.0.0 before Patch 43, 10.0.x before 10.0.12, and 10.1.x before 10.1.4 allows unauthorized redirection to internal network endpoints. Affected products include: Synacor Zimbra Collaboration Suite. Version information: before 10.0.12.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.

CVE-2025-25065 vulnerability details – vuln.today

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Zimbra Collaboration Suite CVE-2025-25065

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code