What is CVE-2023-32187?

CVE-2023-32187 is a high-severity vulnerability in K3s, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-09-18.

How severe is CVE-2023-32187?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in K3s

CVE-2023-32187

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: 0.006 (45.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

K3s
Suse K3s — versions v1.24.0, v1.25.0, v1.26.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

meissner@suse.de (Broken Link)
meissner@suse.de (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2023-32187?: CVE-2023-32187 is a high-severity vulnerability in K3s, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-09-18.
How severe is CVE-2023-32187?: High severity. CVSS v3 base score is 7.5 out of 10.