CVE-2023-32186

Name: CVE-2023-32186
Creator: NVD / NIST
Published: 2023-09-19T10:15:13.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2023-32186 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A Allocation of Resources Without Limits or Throttling vulnerability in SUSE RKE2 allows attackers with access to K3s servers apiserver/supervisor port (TCP 6443) cause denial of service. This issue affects RKE2: from 1.24.0 before 1.24.17+rke2r1, from v1.25.0 before v1.25.13+rke2r1, from v1.26.0 before v1.26.8+rke2r1, from v1.27.0 before v1.27.5+rke2r1, from v1.28.0 before v1.28.1+rke2r1. . EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

A Allocation of Resources Without Limits or Throttling vulnerability in SUSE RKE2 allows attackers with access to K3s servers apiserver/supervisor port (TCP 6443) cause denial of service. This issue affects RKE2: from 1.24.0 before 1.24.17+rke2r1, from v1.25.0 before v1.25.13+rke2r1, from v1.26.0 before v1.26.8+rke2r1, from v1.27.0 before v1.27.5+rke2r1, from v1.28.0 before v1.28.1+rke2r1.

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

0.58%

43.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions	Update
Suse	Rancher Rke2	>= 1.24.0\+rke2r1, < 1.24.17\+rke2r1	—
Suse	Rancher Rke2	>= 1.25.0\+rke2r1, < 1.25.13\+rke2r1	—
Suse	Rancher Rke2	>= 1.26.0\+rke2r1, < 1.26.8\+rke2r1	—
Suse	Rancher Rke2	>= 1.27.1\+rke2r1, < 1.27.5\+rke2r1	—
Suse	Rancher Rke2	1.28.1\+rke2r1	Rc1

References

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32186Issue Tracking, Vendor Advisory
https://github.com/rancher/rke2/security/advisories/GHSA-p45j-vfv5-wprqMitigation, Vendor Advisory
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32186Issue Tracking, Vendor Advisory
https://github.com/rancher/rke2/security/advisories/GHSA-p45j-vfv5-wprqMitigation, Vendor Advisory

Timeline

Published: Sep 19, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-32186?

How severe is CVE-2023-32186?

CVE-2023-32186 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2023-32186?

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-2023-32186?

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

Scan your code now

Source: NVD / NIST