VULNERABILITY INTELLIGENCE

CVE-2019-17067

CVSS score9.8 CRITICAL
EPSS probability1.63%
CISA KEVNot currently listed
Published2019-10-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

PuTTY before 0.73 on Windows improperly opens port-forwarding listening sockets, which allows attackers to listen on the same port to steal an incoming connection.

Weakness classification

  • CWE-770: Allocation of Resources Without Limits or Throttling

Primary references