Auth bypass in Midnight-Commander Midnight Commander

CVE-2021-36370

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.

Vulnerability class: Broken Authentication

EPSS: 0.020 (78.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-36370?
CVE-2021-36370 is a high-severity vulnerability in Midnight-Commander Midnight Commander, classified under Improper Authentication. CVSS score: 7.5/10. Published 2021-08-30.
How severe is CVE-2021-36370?
High severity. CVSS v3 base score is 7.5 out of 10.