What is the CVSS score of CVE-2025-27602?

CVE-2025-27602 has a CVSS 3.1 base score of 4.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of Umbraco are affected by CVE-2025-27602?

Organizations using Umbraco should be aware of moderate risk from CVE-2025-27602 rated CVSS 4.9. Exploitation could compromise the security of affected deployments.. A patch is available.

How to fix or mitigate CVE-2025-27602?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Umbraco CVE-2025-27602

MEDIUM

Improper Authorization (CWE-285)

2025-03-11 security-advisories@github.com

GHSA-wx5h-wqfq-v698

RCE

4.9

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

4.9 MEDIUM

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 19:52 vuln.today

Patch released

Sep 22, 2025 - 13:57 nvd

Patch available

CVE Published

Mar 11, 2025 - 16:15 nvd

MEDIUM 4.9

DescriptionGitHub Advisory

Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. The issue is patched in versions 10.8.9 and 13.7.1. No known workarounds are available.

AnalysisAI

Umbraco is a free and open source .NET content management system. [CVSS 4.9 MEDIUM]

Technical ContextAI

Classified as CWE-285 (Improper Authorization). Affects s web backoffice program. Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. The issue is patched in versions 10.8.9 and 13.7.1. No known workarounds are available.