CVE-2004-0371

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 76.4%
KEV: Not listed

Published

May 4, 2004

Last Modified

April 16, 2026

References (12)

cve@mitreftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-04:08.heimdal.asc
cve@mitreftp://ftp.openbsd.org/pub/OpenBSD/patches/3.5/common/009_kerberos.patch
cve@mitrehttp://security.gentoo.org/glsa/glsa-200404-09.xml
cve@mitrehttp://www.debian.org/security/2004/dsa-476
cve@mitrehttp://www.pdc.kth.se/heimdal/advisory/2004-04-01/
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/15701
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-04:08.heimdal.asc
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.5/common/009_kerberos.patch
af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-200404-09.xml
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2004/dsa-476
af854a3a-2127-422b-91ae-364da2661108http://www.pdc.kth.se/heimdal/advisory/2004-04-01/
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/15701

Data Freshness Timeline

(refreshed 12× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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2026-05-27 13:37 UTCepss_batch
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2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 18:13 UTCOSV refresh
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
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2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2004-0371?

CVE-2004-0371 is a none vulnerability published on May 4, 2004. 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.

When was CVE-2004-0371 disclosed?

CVE-2004-0371 was first published in the National Vulnerability Database on May 4, 2004, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2004-0371 actively exploited?

CVE-2004-0371 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 76.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2004-0371?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-0371, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2004-0371

📅 Published

🔄 Last Modified

🔗 References (12)