How severe is CVE-2024-4438?

CVE-2024-4438 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 none, integrity none, and availability high.

Is CVE-2024-4438 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-4438?

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-2024-4438 have an EU (EUVD) identifier?

Yes. CVE-2024-4438 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44549.

When was CVE-2024-4438 published?

CVE-2024-4438 was published on 2024-05-08 and last updated on 2026-06-17.

CVE-2024-4438

CVE-2024-4438 is a high-severity vulnerability 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-44549
Weakness: CWE-400
Published: 2024-05-08
Last modified: 2026-06-17

Description

The etcd package distributed with the Red Hat OpenStack platform has an incomplete fix for CVE-2023-39325/CVE-2023-44487, known as Rapid Reset. This issue occurs because the etcd package in the Red Hat OpenStack platform is using http://golang.org/x/net/http2 instead of the one provided by Red Hat Enterprise Linux versions, meaning it should be updated at compile time instead.

Frequently asked questions

What is CVE-2024-4438?: The etcd package distributed with the Red Hat OpenStack platform has an incomplete fix for CVE-2023-39325/CVE-2023-44487, known as Rapid Reset. This issue occurs because the etcd package in the Red Hat OpenStack platform is using http://golang.org/x/net/http2 instead of the one provided by Red Hat Enterprise Linux versions, meaning it should be updated at compile time instead.
How severe is CVE-2024-4438?: CVE-2024-4438 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 none, integrity none, and availability high.
Is CVE-2024-4438 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-4438?: 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-2024-4438 have an EU (EUVD) identifier?: Yes. CVE-2024-4438 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44549.
When was CVE-2024-4438 published?: CVE-2024-4438 was published on 2024-05-08 and last updated on 2026-06-17.

References

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