What’s Vulnerable › Vulnerabilities

CVE-2021-28459: Azure DevOps Server Spoofing Vulnerability

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-13 · updated 2026-06-17
• Weakness: CWE-79

Description

Azure DevOps Server Spoofing Vulnerability

Affected products

• Microsoft Azure DevOps Server: 2020.0.1
• Microsoft Azure DevOps Server: from 2020 before publication — fixed in publication

How to fix

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

References

• http://packetstormsecurity.com/files/162190/Microsoft-Azure-DevOps-Server-2020.0.1-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2021/Apr/25
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28459
• http://packetstormsecurity.com/files/162190/Microsoft-Azure-DevOps-Server-2020.0.1-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2021/Apr/25
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28459

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