How severe is CVE-2024-37370?

CVE-2024-37370 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-37370 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-37370?

CVE-2024-37370 affects Mit Kerberos 5. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-37370?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-37370 have an EU (EUVD) identifier?

Yes. CVE-2024-37370 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36618.

When was CVE-2024-37370 published?

CVE-2024-37370 was published on 2024-06-28 and last updated on 2026-06-17.

CVE-2024-37370

CVE-2024-37370 is a high-severity vulnerability in Mit Kerberos 5 with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-345.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-36618
Weakness: CWE-345
Affected product: Mit Kerberos 5
Published: 2024-06-28
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-37370?: 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.
How severe is CVE-2024-37370?: CVE-2024-37370 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-37370 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-37370?: CVE-2024-37370 affects Mit Kerberos 5. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-37370?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-37370 have an EU (EUVD) identifier?: Yes. CVE-2024-37370 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36618.
When was CVE-2024-37370 published?: CVE-2024-37370 was published on 2024-06-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*

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