CVE-2021-36370

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.51%
Vendor Advisory midnight-commander.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2021-36370?
CVE-2021-36370 has been scored as a high severity vulnerability.
How to fix CVE-2021-36370?
To fix CVE-2021-36370, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-36370 being actively exploited in the wild?
It is possible that CVE-2021-36370 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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