CVE-2002-1644

CVE-2002-1644 is a high-severity vulnerability in Ssh Ssh2 with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2002-1644?
CVE-2002-1644 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2002-1644 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-1644?
CVE-2002-1644 primarily affects Ssh Ssh2. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-1644?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2002-1644 published?
CVE-2002-1644 was published on 2002-11-25 and last updated on 2026-06-16.

References

Affected products (15)

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