CVE-2019-17067

CRITICAL EPSS 73.3%

Published Oct 1, 20196y ago · Modified Jun 17, 20262w ago

9.8 CVSS 3.1

Critical

Published Oct 1, 2019 6y ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

9.8

Exploitability

3.9

Impact

5.9

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

73.3% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-770

Affected Products 2

Vendor	Product	Version	Range
putty	putty	*	<0.73
microsoft	windows	*	any

References 2

lists.tartarus.org https://lists.tartarus.org/pipermail/putty-announce/2019/000029.html

Mailing ListThird Party Advisory
security.netapp.com https://security.netapp.com/advisory/ntap-20191127-0003/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.