CVE-2023-22381

highpriority · track · 35EPSS 0.008 · 58 %ileDEEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.84% (58th) EPSS
CVSS 8.8 · high
Is it mine?
9 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · cert_bund

EPSS · scored 2026-10-27

A code injection vulnerability was identified in GitHub Enterprise Server that allowed setting arbitrary environment variables from a single environment variable value in GitHub Actions when using a Windows based runner. To exploit this vulnerability, an attacker would need existing permission to control the value of environment variables for use with GitHub Actions. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.8.0 and was fixed in versions 3.4.15, 3.5.12, 3.6.8, 3.7.5. This vulnerability was reported via the GitHub Bug Bounty program.

01

cvss

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

8.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.1–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9
v3.14.1mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:Lsecondary · ENISA EU
v3.14.1mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:Lsecondary · product-cna@github.comexploitability 0.7 · impact 3.4
v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USprimary
04

affected products (9)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2023-0560Microsoft GitHub Enterprise: Schwachstelle ermöglicht CodeausführungDeutsch2023-03-02csaf · cert_bundDE

    Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Microsoft GitHub Enterprise ausnutzen, um beliebigen Programmcode auszuführen.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdnvdcert_bundNVDCVE.orgMITRE
published 2023-03-02modified 2026-06-17
09

references (16)

External citations — patches, advisories, analysis.

scry

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