CVE-2002-0754

CVE-2002-0754 is a high-severity vulnerability in Freebsd Heimdal 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

Kerberos 5 su (k5su) in FreeBSD 4.4 and earlier relies on the getlogin system call to determine if the user running k5su is root, which could allow a root-initiated process to regain its privileges after it has dropped them.

Frequently asked questions

What is CVE-2002-0754?
Kerberos 5 su (k5su) in FreeBSD 4.4 and earlier relies on the getlogin system call to determine if the user running k5su is root, which could allow a root-initiated process to regain its privileges after it has dropped them.
How severe is CVE-2002-0754?
CVE-2002-0754 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2002-0754 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0754?
CVE-2002-0754 primarily affects Freebsd Heimdal. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0754?
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-2002-0754 published?
CVE-2002-0754 was published on 2002-08-12 and last updated on 2026-06-16.

References

Affected products (13)