MobaXterm up to 22.0 SFTP Connection hard-coded password

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic has been found in MobaXterm up to 22.0 (Windowing System Software). This affects some unknown processing of the component SFTP Connection Handler. The manipulation with an unknown input leads to a hard-coded password vulnerability. CWE is classifying the issue as CWE-259. The product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components. This is going to have an impact on availability. The summary by CVE is:

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.

The weakness was disclosed 12/06/2022. The advisory is shared at This vulnerability is uniquely identified as CVE-2022-38337 since 08/15/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1078.001 for this issue.

Upgrading to version 22.1 eliminates this vulnerability.





CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Hard-coded password
CWE: CWE-259 / CWE-255
ATT&CK: T1078.001

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: MobaXterm 22.1


08/15/2022 CVE reserved
12/06/2022 +113 days Advisory disclosed
12/06/2022 +0 days VulDB entry created
12/26/2022 +20 days VulDB entry last update


Status: Confirmed

CVE: CVE-2022-38337 (🔒)


Created: 12/06/2022 09:35 AM
Updated: 12/26/2022 02:37 PM
Changes: 12/06/2022 09:35 AM (39), 12/26/2022 02:37 PM (11)
Complete: 🔍


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