What is the CVSS score of CVE-2025-21380?

CVE-2025-21380 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.5%.

Which versions of Azure Marketplace are affected by CVE-2025-21380?

Organizations using Improper access control in Azure SaaS Resources face significant risk from CVE-2025-21380, a improper access control vulnerability rated CVSS 8.8.

How to fix or mitigate CVE-2025-21380?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Azure Marketplace CVE-2025-21380

HIGH

Improper Access Control (CWE-284)

2025-01-09 secure@microsoft.com

Microsoft Authentication Bypass Azure Marketplace

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:02 vuln.today

CVE Published

Jan 09, 2025 - 23:15 nvd

HIGH 8.8

DescriptionCVE.org

Improper access control in Azure SaaS Resources allows an authorized attacker to disclose information over a network.

AnalysisAI

Improper access control in Azure SaaS Resources allows an authorized attacker to disclose information over a network. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. Improper access control in Azure SaaS Resources allows an authorized attacker to disclose information over a network. Affected products include: Microsoft Azure Marketplace.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.