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CVE-2003-0138

Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a…

High7.5EPSS 4.3%
Published
Updated
Reserved
Assigned by
mitre

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.

Scores

CVSS scores of CVE-2003-0138, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0High7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (exploitation in 30 days)
4.3% · top 8.9% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

  • n/a

Affected products

  • n/a

    • affected n/a

References (12)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .