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Case File

CVE-2003-0138

HIGH · CVSS 7.5 EPSS 4.28%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2003-03-24 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. See the original NVD description below for full technical details.

CVE
CVE-2003-0138
Severity
HIGH
CVSS
7.5
EPSS
4.28%

Original NVD Description

Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.