CVE-2023-32187

Name: CVE-2023-32187
Creator: NVD / NIST
Published: 2023-09-18T13:15:08.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2023-32187 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An Allocation of Resources Without Limits or Throttling vulnerability in SUSE k3s allows attackers with access to K3s servers' apiserver/supervisor port (TCP 6443) cause denial of service. This issue affects k3s: from v1.24.0 before v1.24.17+k3s1, from v1.25.0 before v1.25.13+k3s1, from v1.26.0 before v1.26.8+k3s1, from sev1.27.0 before v1.27.5+k3s1, from v1.28.0 before v1.28.1+k3s1. . EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

An Allocation of Resources Without Limits or Throttling vulnerability in SUSE k3s allows attackers with access to K3s servers' apiserver/supervisor port (TCP 6443) cause denial of service. This issue affects k3s: from v1.24.0 before v1.24.17+k3s1, from v1.25.0 before v1.25.13+k3s1, from v1.26.0 before v1.26.8+k3s1, from sev1.27.0 before v1.27.5+k3s1, from v1.28.0 before v1.28.1+k3s1.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.60%

44.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
K3s	K3s	>= 1.24.0, < 1.24.17\+k3s1
K3s	K3s	>= 1.25.0, < 1.25.13\+k3s1
K3s	K3s	>= 1.26.0, < 1.26.8\+k3s1
K3s	K3s	>= 1.27.0, < 1.27.5\+k3s1
K3s	K3s	>= 1.28.0, < 1.28.1\+k3s1

References

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32187https://Broken Link
https://github.com/k3s-io/k3s/security/advisories/GHSA-m4hf-6vgr-75r2Mitigation, Vendor Advisory
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32187https://Broken Link
https://github.com/k3s-io/k3s/security/advisories/GHSA-m4hf-6vgr-75r2Mitigation, Vendor Advisory

Timeline

Published: Sep 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-32187?

How severe is CVE-2023-32187?

CVE-2023-32187 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2023-32187?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-32187?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST