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Vulnerability record · CVE-2022-38337 · published 6 December 2022

CVE-2022-38337: Mobatek mobaxterm hard-coded credentials vulnerability

Mobatek · Mobaxterm

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.

9.1 CVSS 3.1 Critical EPSS 0.76% · top 46.7% CWE-798 · Hard-coded credentials
9.1CVSS 3.1 base score
0.76%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.ssh-mitm.at/vulnerabilities/CVE-2022-38337.html Third Party Advisory
https://mobaxterm.mobatek.net/download-home-edition.html PatchRelease NotesVendor Advisory
https://docs.ssh-mitm.at/vulnerabilities/CVE-2022-38337.html Third Party Advisory
https://mobaxterm.mobatek.net/download-home-edition.html PatchRelease NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-7690Mobatek mobaxterm vulnerabilityIn MobaTek MobaXterm Personal Edition v11.1 Build 3860, the SSH private key and its password can be retrieved from process memory for the lifetime of…EPSS 3.2%9.8CVE-2017-15376Mobatek mobaxterm code injection vulnerabilityThe TELNET service in Mobatek MobaXterm 10.4 does not require authentication, which allows remote attackers to execute arbitrary commands via TCP por…EPSS 3.8%8.8CVE-2019-16305Mobatek mobaxterm command injection vulnerabilityIn MobaXterm 11.1 and 12.1, the protocol handler is vulnerable to command injection. A crafted link can trigger a popup asking whether the user wants…EPSS 6.7%8.8CVE-2019-13475Mobatek mobaxterm argument injection vulnerabilityIn MobaXterm 11.1, the mobaxterm: URI handler has an argument injection vulnerability that allows remote attackers to execute arbitrary commands when…EPSS 4.1%8.5CVE-2026-25866Mobatek mobaxterm unquoted search path vulnerabilityMobaXterm versions prior to 26.1 contain an uncontrolled search path element vulnerability. The application calls WinExec to execute Notepad++ withou…EPSS 0.18%8.1CVE-2022-38336Mobatek mobaxterm improper authentication vulnerabilityAn access control issue in MobaXterm before v22.1 allows attackers to make connections to the server via the SSH or SFTP protocols without authentica…EPSS 0.85%7.5CVE-2021-28847Mobatek mobaxterm vulnerabilityMobaXterm before 21.0 allows remote servers to cause a denial of service (Windows GUI hang) via tab title change requests that are sent repeatedly at…EPSS 1.4%7.5CVE-2015-7244Mobatek mobaxterm improper access control vulnerabilityThe default configuration of the server in MobaXterm before 8.3 has a disabled Access Control setting and consequently does not require authenticatio…EPSS 5.0%

Source: NIST National Vulnerability Database (record CVE-2022-38337), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.