CVE-2002-1644

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.

Published: 2002-11-25 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-1644 is rated Moderate Risk (41.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.45%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2002-1644

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.06% 0.45% +0.38%
2 2023-03-07 0.95% 0.06% -0.89%
3 2022-02-04 — 0.95% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-1644

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-2002-1644

Affected software / configurations for CVE-2002-1644

Vendor Product Version Raw CPE
ssh ssh2 2.0.13 cpe:2.3:a:ssh:ssh2:2.0.13:*:*:*:*:*:*:*
ssh ssh2 2.1 cpe:2.3:a:ssh:ssh2:2.1:*:*:*:*:*:*:*
ssh ssh2 2.2 cpe:2.3:a:ssh:ssh2:2.2:*:*:*:*:*:*:*
ssh ssh2 2.3 cpe:2.3:a:ssh:ssh2:2.3:*:*:*:*:*:*:*
ssh ssh2 2.4 cpe:2.3:a:ssh:ssh2:2.4:*:*:*:*:*:*:*
ssh ssh2 2.5 cpe:2.3:a:ssh:ssh2:2.5:*:*:*:*:*:*:*
ssh ssh2 3.0 cpe:2.3:a:ssh:ssh2:3.0:*:*:*:*:*:*:*
ssh ssh2 3.0.1 cpe:2.3:a:ssh:ssh2:3.0.1:*:*:*:*:*:*:*
ssh ssh2 3.1 cpe:2.3:a:ssh:ssh2:3.1:*:*:*:*:*:*:*
ssh ssh2 3.1.1 cpe:2.3:a:ssh:ssh2:3.1.1:*:*:*:*:*:*:*
ssh ssh2 3.1.2 cpe:2.3:a:ssh:ssh2:3.1.2:*:*:*:*:*:*:*
ssh ssh2 3.1.3 cpe:2.3:a:ssh:ssh2:3.1.3:*:*:*:*:*:*:*
ssh ssh2 3.1.4 cpe:2.3:a:ssh:ssh2:3.1.4:*:*:*:*:*:*:*
ssh ssh2 3.2 cpe:2.3:a:ssh:ssh2:3.2:*:*:*:*:*:*:*
ssh ssh2 3.2.1 cpe:2.3:a:ssh:ssh2:3.2.1:*:*:*:*:*:*:*

References for CVE-2002-1644

cvelogic Threat Intelligence