CVE-2023-21565
CVE-2023-21565 is a high-severity vulnerability in Microsoft Azure Devops Server with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- EPSS exploit prediction: 1% (56th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Microsoft Azure Devops Server
- Published:
- Last modified:
Description
Azure DevOps Server Spoofing Vulnerability
Frequently asked questions
- What is CVE-2023-21565?
- Azure DevOps Server Spoofing Vulnerability
- How severe is CVE-2023-21565?
- CVE-2023-21565 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2023-21565 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-21565?
- CVE-2023-21565 primarily affects Microsoft Azure Devops Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-21565?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-21565 published?
- CVE-2023-21565 was published on 2023-06-14 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:o:microsoft:azure_devops_server:2020.1.2:-:*:*:*:*:*:*
- cpe:2.3:o:microsoft:azure_devops_server:2022:-:*:*:*:*:*:*
- cpe:2.3:o:microsoft:azure_devops_server:2022.0.1:-:*:*:*:*:*:*
More vulnerabilities in Microsoft Azure Devops Server
- CVE-2019-1306 — Critical (CVSS 9.8): A remote code execution vulnerability exists when Azure DevOps Server (ADO) and Team Foundation Server (TFS) fail to…
- CVE-2019-1072 — Critical (CVSS 9.8): A remote code execution vulnerability exists when Azure DevOps Server and Team Foundation Server (TFS) improperly…
- CVE-2023-33136 — High (CVSS 8.8): Azure DevOps Server Remote Code Execution Vulnerability
- CVE-2024-35267 — High (CVSS 7.6): Azure DevOps Server Spoofing Vulnerability
- CVE-2024-35266 — High (CVSS 7.6): Azure DevOps Server Spoofing Vulnerability
- CVE-2024-20667 — High (CVSS 7.5): Azure DevOps Server Remote Code Execution Vulnerability
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