CVE-2004-0371

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: 2004-05-04 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-0371 is rated Moderate Risk (45.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.53%). 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-2004-0371

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 2026-06-15 0.93% 1.53% +0.60%
2 2025-12-10 0.65% 0.93% +0.28%
3 2025-03-30 — 0.65% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0371

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2004-0371

OS Trackers for CVE-2004-0371

vendor priority summary link
debian not yet assigned CVE-2004-0371 not yet assigned priority: Debian including 1 source packages (heimdal), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2004-0371

Affected software / configurations for CVE-2004-0371

Vendor Product Version Raw CPE
kth heimdal 0.4a cpe:2.3:a:kth:heimdal:0.4a:*:*:*:*:*:*:*
kth heimdal 0.4b cpe:2.3:a:kth:heimdal:0.4b:*:*:*:*:*:*:*
kth heimdal 0.4c cpe:2.3:a:kth:heimdal:0.4c:*:*:*:*:*:*:*
kth heimdal 0.4d cpe:2.3:a:kth:heimdal:0.4d:*:*:*:*:*:*:*
kth heimdal 0.4e cpe:2.3:a:kth:heimdal:0.4e:*:*:*:*:*:*:*
kth heimdal 0.5 cpe:2.3:a:kth:heimdal:0.5:*:*:*:*:*:*:*
kth heimdal 0.5.1 cpe:2.3:a:kth:heimdal:0.5.1:*:*:*:*:*:*:*
kth heimdal 0.5.2 cpe:2.3:a:kth:heimdal:0.5.2:*:*:*:*:*:*:*
kth heimdal 0.6.0 cpe:2.3:a:kth:heimdal:0.6.0:*:*:*:*:*:*:*

References for CVE-2004-0371

cvelogic Threat Intelligence