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 Apr 2, 2003
7.2
HIGHCVSS 2.0
EPSS 0.39%
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.
Affected products
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.39% (0.00388) | 30.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00388) | 30.36th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00056) | 14.75th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00050) | 21.65th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.05% (0.00052) | 20.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00052) | 18.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:07.k5su.asc vendor-advisoryx_refsource_FREEBSDPatchVendor Advisory
- http://www.iss.net/security_center/static/7956.php vdb-entryx_refsource_XFPatchVendor Advisory
- http://www.securityfocus.com/bid/3919 vdb-entryx_refsource_BIDPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:07.k5su.asc | vendor-advisoryx_refsource_FREEBSDPatchVendor Advisory | |
| http://www.iss.net/security_center/static/7956.php | vdb-entryx_refsource_XFPatchVendor Advisory | |
| http://www.securityfocus.com/bid/3919 | vdb-entryx_refsource_BIDPatchVendor Advisory |
Change history (0)
No recorded changes yet.