7.5

CVE-2024-37370: mit kerberos_5

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2024-37370UBUNTU-CVE-2024-37370DEBIAN-CVE-2024-37370
Published 28-06-2024Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2024-37370 is a high (CVSS 7.5) vulnerability in mit kerberos_5. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.75%
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 21 · Related 9
DSA-5726-1MGASA-2024-0253OPENSUSE-SU-2024:14111-1RHSA-2024:4734RHSA-2024:4743RHSA-2024:5076

Timeline

  1. 28-06-2024
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.75%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

0.00 pp

From 0.75% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.75%

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

Affected systems

Alpine1 product
  • krb5< 1.20.2-r1 | < 1.20.3-r0
Debian1 product
  • krb5< 1.20.1-2+deb12u2 | < 1.21.3-1
Mit1 product
Ubuntu1 product
  • krb5< 1.12+dfsg-2ubuntu5.4+esm5 | < 1.13.2+dfsg-5ubuntu2.2+esm5 | < 1.16-2ubuntu0.4+esm2 | < 1.17-6ubuntu4.6 | < 1.19.2-2ubuntu0.4 | < 1.20.1-6ubuntu2.1

4 vendors · 4 products

References

10 links