CVE-2023-21751

mediumpriority · track · 0EPSS 0.010 · 62 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.98% (62nd) EPSS

CVSS 6.5 · medium

Is it mine?

12 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Azure DevOps Server Spoofing Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedAzure DevOps Server 2020.1.2msrc_csaf
20231127.4:Security Update:https://learn.microsoft.com/en-us/azure/devops/server/release-notes/azuredevops2020u1?view=azure-devops
https://learn.microsoft.com/en-us/azure/devops/server/release-notes/azuredevops2020u1?view=azure-devops
FixedAzure DevOps Server 2022.1msrc_csaf
20231128.1:Security Update:https://learn.microsoft.com/en-us/azure/devops/server/release-notes/azuredevops2022u1?view=azure-devops&tabs=yaml
https://learn.microsoft.com/en-us/azure/devops/server/release-notes/azuredevops2022u1?view=azure-devops&tabs=yaml

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · secure@microsoft.com USexploitability 2.8 · impact 3.6

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-284USCWE-451US

affected products (12)

Products and version ranges known to be affected.

Microsoft Azure DevOps Server 2020.1.2all versionscert_bundDEcpe:/o:microsoft:azure_devops_server:2020.1.2
Microsoft Azure DevOps Server 2022.1all versionscert_bundDEcpe:/o:microsoft:azure_devops_server:2022.1
Microsoft Azure DevOps Server 2020.1.22020.1.0 → 20231127.4enisa_euvdEU
Microsoft Azure DevOps Server 202220231128.1 → 20231128.1enisa_euvdEU
Microsoft Corp Azure DevOps Server≤ 2022.1fstec_bduRU
Microsoft Corp Azure DevOps Server≤ 2020.1.2fstec_bduRU
Azure DevOps Server 2020.1.2all versionsfixedmsrc_csafUS
Azure DevOps Server 2020.1.2< 20231127.4msrc_csafUS
Azure DevOps Server 2022.1all versionsfixedmsrc_csafUS
Azure DevOps Server 2022.1< 20231128.1msrc_csafUS
microsoft azure devops server= 2020.1.2nvdUScpe:2.3:o:microsoft:azure_devops_server:*:*:*:*:*:*:*:*
microsoft azure devops server= 2022.1.0nvdUScpe:2.3:o:microsoft:azure_devops_server:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-3149Microsoft Azure DevOps Server: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2023-12-13csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Microsoft Azure DevOps Server ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
msrc_CVE-2023-21751Azure DevOps Server Spoofing Vulnerability2023-12-12csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf nvd NVD CVE.org MITRE

published 2023-12-14modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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