Vulnerability record · CVE-2002-1644 · published 25 November 2002

CVE-2002-1644: Ssh2 vulnerability

Ssh · Ssh2

SSH Secure Shell for Servers and SSH Secure Shell for Workstations 2.0.13 through 3.2.1, when running without a PTY, does not call setsid to remove the child process from the process group of the parent process, which allows attackers to gain certain privileges.

7.2 CVSS 2.0 High EPSS 0.45% · top 63.7%

7.2CVSS 2.0 base score

0.45%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

8References

16 Jun 2026Last modified by NVD

Description

AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Ssh2 Ssh

References

Link	Tags
http://www.kb.cert.org/vuls/id/740619	PatchUS Government Resource
http://www.securityfocus.com/bid/6247	Patch
http://www.ssh.com/company/newsroom/article/286/	Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/10710
http://www.kb.cert.org/vuls/id/740619	PatchUS Government Resource
http://www.securityfocus.com/bid/6247	Patch
http://www.ssh.com/company/newsroom/article/286/	Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/10710

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2002-1645Ssh2 vulnerabilityBuffer overflow in the URL catcher feature for SSH Secure Shell for Workstations client 3.1 to 3.2.0 allows remote attackers to execute arbitrary cod…EPSS 7.9%25 Nov 2002 7.5CVE-1999-1029Ssh2 vulnerabilitySSH server (sshd2) before 2.0.12 does not properly record login attempts if the connection is closed before the maximum number of tries, allowing a r…EPSS 1.6%13 May 1999 7.2CVE-2002-1715Ssh vulnerabilitySSH 1 through 3, and possibly other versions, allows local users to bypass restricted shells such as rbash or rksh by uploading a script to a world-w…EPSS 0.89%31 Dec 2002 5.1CVE-2000-0217Openbsd openssh vulnerabilityThe default configuration of SSH allows X forwarding, which could allow a remote attacker to control a client's X sessions via a malicious xauth prog…EPSS 0.97%24 Feb 2000 5.0CVE-2001-0364Ssh2 vulnerabilitySSH Communications Security sshd 2.4 for Windows allows remote attackers to create a denial of service via a large number of simultaneous connections.EPSS 1.6%27 Jun 2001 5.0CVE-1999-1231Ssh2 vulnerabilityssh 2.0.12, and possibly other versions, allows valid user names to attempt to enter the correct password multiple times, but only prompts an invalid…EPSS 1.5%9 Jun 1999 4.6CVE-1999-0398Ssh vulnerabilityIn some instances of SSH 1.2.27 and 2.0.11 on Linux systems, SSH will allow users with expired accounts to login.EPSS 0.39%1 Jan 1999 4.6CVE-1999-1159Ssh2 vulnerabilitySSH 2.0.11 and earlier allows local users to request remote forwarding from privileged ports without being root.EPSS 0.34%29 Dec 1998

Source: NIST National Vulnerability Database (record CVE-2002-1644), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.