CVE-2024-37370

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2024-06-29. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

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 v3
7.5
EG Score
7.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
51.1%
KEV
Not listed

Published

June 28, 2024

Last Modified

July 14, 2026

Advisory Details (2)

Auto-updated Jul 14, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
github_commit

commit 55fbf435edbe (krb5/krb5)

Fix landed in krb5/krb5 commit 55fbf435edbe — awaiting tagged release

https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fef
generic

Kerberos Security Advisories

https://web.mit.edu/kerberos/www/advisories/

Vendor Advisories for CVE-2024-37370(6)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(16)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibkrb5support0 (1.20.1-6ubuntu2.1) @ noble2026-05-22ubuntu
redhatservice-interconnect/skupper-site-controller-rhel9:1.5.5-42024-12-16redhat
redhatservice-interconnect/skupper-site-controller-rhel9:1.4.7-32024-11-21redhat
redhatservice-interconnect/skupper-site-controller-rhel9:1.5.5-32024-09-30redhat
redhatservice-interconnect/skupper-site-controller-rhel9:1.4.7-22024-09-26redhat
redhatubi9/toolbox:9.4-12.17259068802024-09-11redhat
redhatkrb5-0:1.21.1-2.el9_42024-09-03redhat
redhatkrb5-0:1.17-19.el8_2.12024-08-27redhat
redhatkrb5-0:1.18.2-16.el8_6.12024-08-20redhat
redhatkrb5-0:1.20.1-9.el9_2.12024-08-20redhat
redhatkrb5-0:1.19.1-16.el9_0.12024-08-20redhat
redhatkrb5-0:1.15.1-37.el7_7.42024-08-13redhat
redhatkrb5-0:1.18.2-29.el8_102024-08-13redhat
redhatkrb5-0:1.15.1-55.el7_9.22024-08-07redhat
redhatkrb5-0:1.18.2-9.el8_4.12024-07-23redhat
redhatkrb5-0:1.18.2-26.el8_8.22024-07-23redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(11)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 12× in last 7d / 46× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 121 total refreshes for this CVE.

  1. 2026-07-23 02:38 UTCEG score recompute
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Frequently asked(5)

What is CVE-2024-37370?
CVE-2024-37370 is a high vulnerability published on June 28, 2024. 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.
When was CVE-2024-37370 disclosed?
CVE-2024-37370 was first published in the National Vulnerability Database on June 28, 2024, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-37370 actively exploited?
CVE-2024-37370 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 51.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-37370?
CVE-2024-37370 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2024-37370?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-37370, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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