CVE-2003-0082

The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").

Published: 2003-04-02 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0082 is rated Moderate Risk (47.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.51%). 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-2003-0082

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 2025-03-30 4.05% 2.51% -1.54%
2 2025-03-29 2.51% 4.05% +1.54%
3 2025-03-17 — 2.51% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0082

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:N/A:P 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:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2003-0082

OS Trackers for CVE-2003-0082

vendor priority summary link
debian not yet assigned CVE-2003-0082 not yet assigned priority: Debian including 1 source packages (krb5), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2003-0082
redhat high — https://access.redhat.com/security/cve/CVE-2003-0082

Affected software / configurations for CVE-2003-0082

Vendor Product Version Raw CPE
mit kerberos 1.0 cpe:2.3:a:mit:kerberos:1.0:*:*:*:*:*:*:*
mit kerberos 1.2.2.beta1 cpe:2.3:a:mit:kerberos:1.2.2.beta1:*:*:*:*:*:*:*
mit kerberos_5 1.0.6 cpe:2.3:a:mit:kerberos_5:1.0.6:*:*:*:*:*:*:*
mit kerberos_5 1.1 cpe:2.3:a:mit:kerberos_5:1.1:*:*:*:*:*:*:*
mit kerberos_5 1.1.1 cpe:2.3:a:mit:kerberos_5:1.1.1:*:*:*:*:*:*:*
mit kerberos_5 1.2 cpe:2.3:a:mit:kerberos_5:1.2:*:*:*:*:*:*:*
mit kerberos_5 1.2.1 cpe:2.3:a:mit:kerberos_5:1.2.1:*:*:*:*:*:*:*
mit kerberos_5 1.2.2 cpe:2.3:a:mit:kerberos_5:1.2.2:*:*:*:*:*:*:*
mit kerberos_5 1.2.3 cpe:2.3:a:mit:kerberos_5:1.2.3:*:*:*:*:*:*:*
mit kerberos_5 1.2.4 cpe:2.3:a:mit:kerberos_5:1.2.4:*:*:*:*:*:*:*
mit kerberos_5 1.2.5 cpe:2.3:a:mit:kerberos_5:1.2.5:*:*:*:*:*:*:*
mit kerberos_5 1.2.6 cpe:2.3:a:mit:kerberos_5:1.2.6:*:*:*:*:*:*:*
mit kerberos_5 1.2.7 cpe:2.3:a:mit:kerberos_5:1.2.7:*:*:*:*:*:*:*
mit kerberos_5 1.3 cpe:2.3:a:mit:kerberos_5:1.3:alpha1:*:*:*:*:*:*

References for CVE-2003-0082

cvelogic Threat Intelligence