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

Q: How do I fix CVE-2021-36370?

midnight commander: upgrade to newer than 4.8.26. Exact commands for each OS are on this page.

Q: Is CVE-2021-36370 being exploited?

CVE-2021-36370 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-36370 affect?

CVE-2021-36370 affects midnight commander. Severity is high (CVSS 7.5). 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

Q: How urgent is CVE-2021-36370?

Priority 56/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2021-36370 is a high-severity flaw (CVSS 7.5) affecting midnight commander. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-287
Published	2021-08-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: midnight-commander

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-08-30 19:15 UTCPublished CVE record published
2026-06-17 03:58 UTCUpdated Record last modified

midnight-commander midnight commander UPGRADE

Affected: <= 4.8.26

Fixed in: newer than 4.8.26

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy midnight-commander || rpm -q midnight-commander || midnight-commander --version

2. UPGRADE to newer than 4.8.26 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade midnight-commander

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade midnight-commander

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-36370?

midnight commander: upgrade to newer than 4.8.26. Exact commands for each OS are on this page.

Is CVE-2021-36370 being exploited?

CVE-2021-36370 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-36370 affect?

CVE-2021-36370 affects midnight commander. Severity is high (CVSS 7.5). 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

How urgent is CVE-2021-36370?

Priority 56/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

← Back to latest CVEs