{"cve":"CVE-2023-32187","nvd":{"published":"2023-09-18T13:15:08.190","modified":"2026-06-17T05:58:16.547","status":"Modified","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.\nThis 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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770"],"references":["https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32187https://","https://github.com/k3s-io/k3s/security/advisories/GHSA-m4hf-6vgr-75r2","https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32187https://","https://github.com/k3s-io/k3s/security/advisories/GHSA-m4hf-6vgr-75r2"],"products":["k3s:k3s"],"source":"nvd","synced_at":"2026-10-19T21:39:24.235896374+00:00"},"epss":{"cve":"CVE-2023-32187","score":0.00723,"percentile":0.54029,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-m4hf-6vgr-75r2","url":"https://osv.dev/vulnerability/GHSA-m4hf-6vgr-75r2","summary":"K3s apiserver port is vulnerable to unauthenticated remote denial-of-service (DoS) attack via TLS SAN stuffing attack","modified":"2026-09-10T03:49:58.218075641Z","packages":[{"ecosystem":"Go","name":"github.com/k3s-io/k3s","purl":"pkg:golang/github.com/k3s-io/k3s","ranges":["<1.24.17"],"fixed":["1.24.17"]},{"ecosystem":"Go","name":"github.com/k3s-io/k3s","purl":"pkg:golang/github.com/k3s-io/k3s","ranges":[">=1.25.0 <1.25.13"],"fixed":["1.25.13"]},{"ecosystem":"Go","name":"github.com/k3s-io/k3s","purl":"pkg:golang/github.com/k3s-io/k3s","ranges":[">=1.26.0 <1.26.8"],"fixed":["1.26.8"]},{"ecosystem":"Go","name":"github.com/k3s-io/k3s","purl":"pkg:golang/github.com/k3s-io/k3s","ranges":[">=1.27.0 <1.27.5"],"fixed":["1.27.5"]},{"ecosystem":"Go","name":"github.com/k3s-io/k3s","purl":"pkg:golang/github.com/k3s-io/k3s","ranges":[">=1.28.0 <1.28.1"],"fixed":["1.28.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}