Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency checks for cross-realm requests, which allows remote attackers with control of a realm to impersonate others in the cross-realm trust path
Published Apr 6, 2004
5.0
MEDIUMCVSS 2.0
EPSS 1.53%
Description
Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency checks for cross-realm requests, which allows remote attackers with control of a realm to impersonate others in the cross-realm trust path.
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:N/AC:L/Au:N/C:N/I:P/A:N
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.53% (0.01528) | 73.79th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.53% (0.01528) | 71.36th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.65% (0.00647) | 69.01th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.80% (0.00804) | 82.40th | v3 (v2023.03.01) |
| Oct 13, 2023 | 0.90% (0.00902) | 80.92th | v3 (v2023.03.01) |
| Mar 14, 2023 | 1.17% (0.01170) | 82.78th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.10% (0.02104) | 87.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-04:08.heimdal.asc vendor-advisoryx_refsource_FREEBSD
- ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.5/common/009_kerberos.patch vendor-advisoryx_refsource_OPENBSD
- http://security.gentoo.org/glsa/glsa-200404-09.xml vendor-advisoryx_refsource_GENTOOVendor Advisory
- http://www.debian.org/security/2004/dsa-476 vendor-advisoryx_refsource_DEBIANPatchVendor Advisory
- http://www.pdc.kth.se/heimdal/advisory/2004-04-01/ x_refsource_CONFIRM
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15701 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-04:08.heimdal.asc | vendor-advisoryx_refsource_FREEBSD | |
| ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.5/common/009_kerberos.patch | vendor-advisoryx_refsource_OPENBSD | |
| http://security.gentoo.org/glsa/glsa-200404-09.xml | vendor-advisoryx_refsource_GENTOOVendor Advisory | |
| http://www.debian.org/security/2004/dsa-476 | vendor-advisoryx_refsource_DEBIANPatchVendor Advisory | |
| http://www.pdc.kth.se/heimdal/advisory/2004-04-01/ | x_refsource_CONFIRM | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/15701 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.