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.

Published: 2002-08-12 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-0754 is rated Moderate Risk (41.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.15%). 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-2002-0754

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 2025-08-01 0.05% 0.15% +0.10%
2 2023-03-07 0.89% 0.05% -0.84%
3 2022-02-04 — 0.89% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0754

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-2002-0754

Affected software / configurations for CVE-2002-0754

Vendor Product Version Raw CPE
freebsd heimdal 0.4e cpe:2.3:a:freebsd:heimdal:0.4e:*:*:*:*:*:*:*
kth heimdal 0.4e cpe:2.3:a:kth:heimdal:0.4e:*:*:*:*:*:*:*
freebsd freebsd 4.0 cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:*
freebsd freebsd 4.1 cpe:2.3:o:freebsd:freebsd:4.1:*:*:*:*:*:*:*
freebsd freebsd 4.1.1 cpe:2.3:o:freebsd:freebsd:4.1.1:*:*:*:*:*:*:*
freebsd freebsd 4.1.1 cpe:2.3:o:freebsd:freebsd:4.1.1:release:*:*:*:*:*:*
freebsd freebsd 4.1.1 cpe:2.3:o:freebsd:freebsd:4.1.1:stable:*:*:*:*:*:*
freebsd freebsd 4.2 cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:*
freebsd freebsd 4.2 cpe:2.3:o:freebsd:freebsd:4.2:stable:*:*:*:*:*:*
freebsd freebsd 4.3 cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:*
freebsd freebsd 4.3 cpe:2.3:o:freebsd:freebsd:4.3:release:*:*:*:*:*:*
freebsd freebsd 4.3 cpe:2.3:o:freebsd:freebsd:4.3:stable:*:*:*:*:*:*
freebsd freebsd 4.4 cpe:2.3:o:freebsd:freebsd:4.4:*:*:*:*:*:*:*

References for CVE-2002-0754

cvelogic Threat Intelligence