CVE-2023-32187: k3s
Vulnerability summary
CVE-2023-32187 is a high (CVSS 7.5) vulnerability in k3s. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53.1% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 0 · Related 2Timeline
- 18-09-2023PublishedVulnerability first disclosed.
- 25-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.72%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
0.00 pp
From 0.72% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard1 product
- k3s< 1.27.5-r0
Github.com/k3s-io1 product
- k3s< 1.24.17 | ≥ 1.25.0, < 1.25.13 | ≥ 1.26.0, < 1.26.8 | ≥ 1.27.0, < 1.27.5 | ≥ 1.28.0, < 1.28.1
K3s1 product
- k3s≥ 1.24.0, < 1.24.17\+k3s1 | ≥ 1.25.0, < 1.25.13\+k3s1 | ≥ 1.26.0, < 1.26.8\+k3s1 | ≥ 1.27.0, < 1.27.5\+k3s1 | ≥ 1.28.0, < 1.28.1\+k3s1
Suse1 product
- k3s≥ v1.24.0, < v1.24.17+k3s1 | ≥ v1.25.0, < v1.25.13+k3s1 | ≥ v1.26.0, < v1.26.8+k3s1 | ≥ sev1.27.0, < v1.27.5+k3s1 | ≥ v1.28.0, < v1.28.1+k3s1
Wolfi1 product
- k3s< 1.27.5-r0
5 vendors · 5 products
References
5 links- github.com/k3s-io/k3sPACKAGE