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CVE-2023-21565: Azure DevOps Server Spoofing Vulnerability

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-13 · updated 2026-06-17
• Weakness: CWE-79

Description

Azure DevOps Server Spoofing Vulnerability

Affected products

• Microsoft Azure DevOps Server: 2020.1.2, 2022, 2022.0.1
• Microsoft Azure DevOps Server: from 20230131.0 before 20230602.4 — fixed in 20230602.4
• Microsoft Azure DevOps Server 2022.0.1: from 2022.0.0 before 20230602.5 — fixed in 20230602.5

How to fix

Upgrade to a fixed version: Microsoft Azure DevOps Server 20230602.4; Microsoft Azure DevOps Server 2022.0.1 20230602.5. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21565
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21565

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