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CVE-2023-21553: Azure DevOps Server Remote Code Execution Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-14 · updated 2026-08-19
• Weakness: CWE-94

Description

Azure DevOps Server Remote Code Execution Vulnerability

Affected products

• Microsoft Azure DevOps Server: 2020.1.2, 2020.1.2-patch1, 2020.1.2-patch2, 2020.1.2-patch3, 2020.1.2-patch4
• Microsoft Azure DevOps Server: from 2020.1.0 before 20230131.3 — fixed in 20230131.3

How to fix

Upgrade to a fixed version: Microsoft Azure DevOps Server 20230131.3. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21553
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21553

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