What’s Vulnerable › Vulnerabilities

CVE-2004-0371

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2004-05-04 · updated 2026-06-16

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

• Kth Heimdal: 0.4a, 0.4b, 0.4c, 0.4d, 0.4e, 0.5 (+3)

References

• http://security.gentoo.org/glsa/glsa-200404-09.xml
• http://www.debian.org/security/2004/dsa-476
• http://www.pdc.kth.se/heimdal/advisory/2004-04-01/
• https://exchange.xforce.ibmcloud.com/vulnerabilities/15701
• http://security.gentoo.org/glsa/glsa-200404-09.xml
• http://www.debian.org/security/2004/dsa-476
• http://www.pdc.kth.se/heimdal/advisory/2004-04-01/
• https://exchange.xforce.ibmcloud.com/vulnerabilities/15701

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