What’s Vulnerable › Vulnerabilities

CVE-2021-36370

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-30 · updated 2026-06-17
• Weakness: CWE-287

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.

Affected products

• Midnight-Commander Midnight Commander: through 4.8.26

References

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

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