7.5

CVE-2003-0138: mit kerberos

CVSS: 7.5v2.0HighModified
AliasesDEBIAN-CVE-2003-0138DSA-269
Published 21-03-2003Last modified 08-08-2024

Vulnerability summary

CVE-2003-0138 is a high (CVSS 7.5) vulnerability in mit kerberos. EPSS estimates a 4.28% chance of exploitation in the next 30 days, higher than 90.9% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
4.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Duplicates 1

Timeline

  1. 21-03-2003
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.28%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.28% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.28%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian2 products
  • heimdal< 0.5.2-1 | < 0.4e-7.woody.8
  • krb5< 1.2.7-3
Mit1 product

2 vendors · 3 products

References

13 links
Show all 13 references