CVE-2022-38337 Hardcoded credentials in n/a

Critical 9.1 Published 5 Dec 2022 Updated 24 Apr 2025

MobaXterm sends a hardcoded password when aborting SFTP connections, potentially causing user lockouts via fail2ban.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-38337?

CVE-2022-38337 is a critical vulnerability in n/a, published on 5 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-798

Which versions are affected by CVE-2022-38337?

It affects 1 product.

Products include Mobatek Mobaxterm.

How do I fix CVE-2022-38337?

No fix has been published for CVE-2022-38337 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-38337 being exploited?

There is no known exploitation of CVE-2022-38337 in the wild and no public exploit code.

Sources

Also known as GHSA-r647-g7f3-cxvq.