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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (52.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.001
Affected products
Weakness classification (CWE)
References
- bugzilla.suse.com/show_bug.cgi (Broken Link)
- github.com/k3s-io/k3s/security/advisories/GHSA-m4hf-6vgr-75r2 (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.