Home/CVE/A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalat
CVE

CVE-2023-3676

A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalat

A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes.

HIGH · CVSS 8.8 EPSS 0.40738
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules15 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-20Improper Input Validation
▤

Affected Products & Versions

5
kubernetes< 1.24.17
kubernetes>= 1.25.0 and < 1.25.13
kubernetes>= 1.26.0 and < 1.26.8
kubernetes>= 1.27.0 and < 1.27.5
kubernetes>= 1.28.0 and < 1.28.1
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go k8s.io/kubernetes HIGH fixed in 1.28.1
⚠

Public Exploits & PoCs

1
pocgithub.com · 119339github.com
◈

Sigma Hunt Rules

15
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumKubernetes Events Deleted
productmediumKubernetes Admission Controller Modification
productmediumKubernetes CronJob/Job Modification
productmediumKubernetes Potential Enumeration Activity
productmediumKubernetes Secrets Modified or Deleted
productmediumKubernetes Rolebinding Modification
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · jordan@liggitt.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Oct 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:14599-1
rhsaRHSA-2023:7515Important
rhsaRHSA-2023:4777Important
rhsaRHSA-2023:4835Important
rhsaRHSA-2023:4885Important
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://groups.google.com/g/kubernetes-security-announce/c/d_fvHZ9a5zcThird Party Advisory
https://security.netapp.com/advisory/ntap-20231130-0007/
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