How severe is CVE-2024-37371?

CVE-2024-37371 has a CVSS 3.x base score of 9.1, rated critical 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 high.

Is CVE-2024-37371 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-37371?

CVE-2024-37371 primarily affects Mit Kerberos 5. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-37371?

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

Does CVE-2024-37371 have an EU (EUVD) identifier?

Yes. CVE-2024-37371 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36619.

When was CVE-2024-37371 published?

CVE-2024-37371 was published on 2024-06-28 and last updated on 2026-06-17.

CVE-2024-37371

CVE-2024-37371 is a critical-severity vulnerability in Mit Kerberos 5 with a CVSS 3.x base score of 9.1. 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-125.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-36619
Weakness: CWE-125
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 cause invalid memory reads during GSS message token handling by sending message tokens with invalid length fields.

Frequently asked questions

What is CVE-2024-37371?: In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message token handling by sending message tokens with invalid length fields.
How severe is CVE-2024-37371?: CVE-2024-37371 has a CVSS 3.x base score of 9.1, rated critical 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 high.
Is CVE-2024-37371 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-37371?: CVE-2024-37371 primarily affects Mit Kerberos 5. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-37371?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-37371 have an EU (EUVD) identifier?: Yes. CVE-2024-37371 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36619.
When was CVE-2024-37371 published?: CVE-2024-37371 was published on 2024-06-28 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*

More vulnerabilities in Mit Kerberos 5

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