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CVE-2021-47759

MTPutty 1.0.1.21 - SSH Password Disclosure

MEDIUM
6.2
CVSS Score
Published: January 15, 2026 at 03:52 PM UTC
Updated: June 17, 2026 at 04:18 AM UTC
1 product affected across 1 vendorMTPutty

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Severity
MEDIUM6.2
Exploit prediction
EPSS 0.1%
SSVC
PoC

Description

MTPutty 1.0.1.21 contains a sensitive information disclosure vulnerability that allows local attackers to view SSH connection passwords through Windows PowerShell process listing. Attackers can run a PowerShell command to retrieve the full command line of MTPutty processes, exposing plaintext SSH credentials.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Exploit
Source: cverecord
https://www.exploit-db.com/exploits/50574
Product
Source: cverecord
https://ttyplus.com/multi-tabbed-putty/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.2MEDIUMVulnCheck
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-522

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