What is CVE-2023-38155?

CVE-2023-38155 is a high-severity vulnerability in Microsoft Azure Devops Server, classified under Deserialization of Untrusted Data. CVSS score: 7.0/10. Published 2023-09-12.

How severe is CVE-2023-38155?

High severity. CVSS v3 base score is 7.0 out of 10.

Deserialization in Microsoft Azure Devops Server

CVE-2023-38155

Azure DevOps Server Remote Code Execution Vulnerability

Vulnerability class: Insecure Deserialization

Published 2023-09-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000

Affected products

Microsoft Azure Devops Server — versions 1.0.0
Microsoft Azure Devops Server — versions 2019.0.1, 2019.1.2, 2020.1.2
Microsoft Azure Devops Server 2019.0.1 — versions 2019.0.0
Microsoft Azure Devops Server 2020.0.2 — versions 2020.0.0
Microsoft Azure Devops Server 2020.1.2 — versions 2020.1.0
Microsoft Azure Devops Server 2022.0.1 — versions 2022.0.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38155 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-38155?: CVE-2023-38155 is a high-severity vulnerability in Microsoft Azure Devops Server, classified under Deserialization of Untrusted Data. CVSS score: 7.0/10. Published 2023-09-12.
How severe is CVE-2023-38155?: High severity. CVSS v3 base score is 7.0 out of 10.