HOMEVULNERABILITIESCVE-2022-38337
CRITICAL

CVE-2022-38337

CWE-798Published: December 6, 2022· Updated: Jun 17, 2026

9.1
CVSS v3.1

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.

NVD Source

Technical Analysis

CVE-2022-38337 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), availability disruption (denial of service), with a CVSS base score of 9.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected Vendors & Products

mobatek1 product(s)
mobaxterm
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://mobaxterm.mobatek.net/download-home-edition.html
PATCHhttps://mobaxterm.mobatek.net/download-home-edition.html
ADVISORYhttps://docs.ssh-mitm.at/vulnerabilities/CVE-2022-38337.html
ADVISORYhttps://docs.ssh-mitm.at/vulnerabilities/CVE-2022-38337.html

All References (4)

→
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

Quick Facts

CVE IDCVE-2022-38337
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-798
CISA KEVNo
Affected1 vendor(s)
PublishedDec 6, 2022

Related CVEs (CWE-798)

CVE-2025-7503
10.0
CVE-2025-48748
10.0
CVE-2020-1614
10.0
CVE-2020-6779
10.0
CVE-2020-6963
10.0
CVE-2026-8982
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-38337 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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