VULNERABILITY INTELLIGENCE

CVE-2021-47759

CVSS score6.8 MEDIUM
EPSS probability0.11%
CISA KEVNot currently listed
Published2026-01-15
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

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.

Weakness classification

  • CWE-522: Insufficiently Protected Credentials

Primary references