CVE-2021-47759

Medium

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.

SeverityMedium
CVSS6.2
Exploit probability—
ProductMTPutty
PublishedJan 15, 2026
First seenJan 15, 2026
Weakness typeCWE-522CWE-522

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Ttyplus MTPutty1.0.1.21—

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