CVE-2024-4437

Etcd: incomplete fix for cve-2021-44716 in openstack platform

7.5 High

The etcd package distributed with the Red Hat OpenStack platform has an incomplete fix for CVE-2021-44716. 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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.77%Up 0.7 points since May 9, 2024

What each source reports

CVE List Score used 7.5

Etcd: incomplete fix for cve-2021-44716 in openstack platform

Record: CVE-2024-4437
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

EUVDEUVD-2024-44548 7.5

Record: EUVD-2024-44548
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-qv84-5j9v-4hj7 7.5

The etcd package distributed with the Red Hat OpenStack platform has an incomplete fix for CVE...

Record: GHSA-qv84-5j9v-4hj7
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

NVD 7.5

Record: CVE-2024-4437
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

OSVRHSA-2024:3352 7.5

Red Hat Security Advisory: Red Hat OpenStack Platform 16.2 (etcd) security update

Record: RHSA-2024:3352
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVRHSA-2024:3467 7.5

Red Hat Security Advisory: Red Hat OpenStack Platform 16.1 (etcd) security update

Record: RHSA-2024:3467
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`etcd` Red Hat:openstack:16.2::el8 From an advisory covering 10 CVEs	before 0:3.3.23-16.el8ost	0:3.3.23-16.el8ost
`etcd-debuginfo` Red Hat:openstack:16.2::el8 From an advisory covering 10 CVEs	before 0:3.3.23-16.el8ost	0:3.3.23-16.el8ost
`etcd-debugsource` Red Hat:openstack:16.2::el8 From an advisory covering 10 CVEs	before 0:3.3.23-16.el8ost	0:3.3.23-16.el8ost
`etcd` Red Hat:openstack:16.1::el8 From an advisory covering 9 CVEs	before 0:3.3.23-16.el8ost	0:3.3.23-16.el8ost
`etcd-debuginfo` Red Hat:openstack:16.1::el8 From an advisory covering 9 CVEs	before 0:3.3.23-16.el8ost	0:3.3.23-16.el8ost
`etcd-debugsource` Red Hat:openstack:16.1::el8 From an advisory covering 9 CVEs	before 0:3.3.23-16.el8ost	0:3.3.23-16.el8ost

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-4437 is a high vulnerability (CVSS 7.5) in Red Hat Openstack Platform 16.1, published May 8, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.77%, the 55th percentile. No source names a fixed version.

References

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