CVE-2022-38337

Name: CVE-2022-38337
Creator: NVD / NIST
Published: 2022-12-06T00:15:10.107+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.73%

Last modified Jun 17, 2026

CVE-2022-38337 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. When aborting a SFTP connection, MobaXterm before v22.1 sends a hardcoded password to the server. The server treats this as an invalid login attempt which can result in a Denial of Service (DoS) for the user if services like fail2ban are used.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

When aborting a SFTP connection, MobaXterm before v22.1 sends a hardcoded password to the server. The server treats this as an invalid login attempt which can result in a Denial of Service (DoS) for the user if services like fail2ban are used.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS Probability

0.73%

49.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mobatek	Mobaxterm	<= 22.2

References

https://docs.ssh-mitm.at/vulnerabilities/CVE-2022-38337.htmlThird Party Advisory
https://mobaxterm.mobatek.net/download-home-edition.htmlPatch, Release Notes, Vendor Advisory
https://docs.ssh-mitm.at/vulnerabilities/CVE-2022-38337.htmlThird Party Advisory
https://mobaxterm.mobatek.net/download-home-edition.htmlPatch, Release Notes, Vendor Advisory

Timeline

Published: Dec 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-38337?

How severe is CVE-2022-38337?

CVE-2022-38337 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2022-38337?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-38337?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST