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TI-2022-17980 Aliases CVE-2022-38337GHSA-r647-g7f3-cxvq

When aborting a SFTP connection, MobaXterm before v22.1 sends a hardcoded password to the…

Priority MEDIUM 49CWE-798Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-798.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00783 56th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mobatek:mobaxterm:*:*:*:*:*:*:*:*up to 22.2VulnerableMobatek
  • cpe:2.3:a:mobatek:mobaxterm:*:*:*:*:*:*:*:* Versions up to 22.2 Vulnerable ·Mobatek

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-38337
  2. 2026-10-03 Alias added: GHSA-r647-g7f3-cxvq

References

Patch 1

Advisory 1

  • TI-2022-17979 An access control issue in MobaXterm before v22.1 allows attackers to make connections to… CVSS 3.1HIGH 8.1
  • TI-2017-11289 The TELNET service in Mobatek MobaXterm 10.4 does not require authentication, which… CVSS 3.1CRITICAL 9.8
  • TI-2019-12274 In MobaXterm 11.1 and 12.1, the protocol handler is vulnerable to command injection. CVSS 3.1HIGH 8.8
  • TI-2019-05419 In MobaTek MobaXterm Personal Edition v11.1 Build 3860, the SSH private key and its… CVSS 3.0CRITICAL 9.8
  • TI-2019-10117 In MobaXterm 11.1, the mobaxterm: URI handler has an argument injection vulnerability… CVSS 3.0HIGH 8.8
  • TI-2015-06016 The default configuration of the server in MobaXterm before 8.3 has a disabled Access… CVSS 2.0HIGH 7.5
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences