8.8

CVE-2023-3676: Kubernetes - Windows nodes - Insufficient input sanitization leads to privilege escalation

Modified
AliasesUBUNTU-CVE-2023-3676DEBIAN-CVE-2023-3676CGA-2w54-6w5r-g3pw
Published 31-10-2023Last modified 27-02-2025

Vulnerability summary

CVE-2023-3676 is a high (CVSS 8.8) Improper Input Validation vulnerability in kubernetes kubelet. EPSS estimates a 13.16% chance of exploitation in the next 30 days, higher than 96.3% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (GitHub, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
13.16%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1 · Related 12
OPENSUSE-SU-2024:14599-1CGA-33R6-GV35-447JCGA-4XXQ-W6RW-C8CHCGA-5J39-5QPC-XH5QCGA-686P-PW6V-JHJRCGA-7CXC-JJJ5-XQF3

Timeline

  1. 31-10-2023
    PublishedVulnerability first disclosed.
  2. 27-02-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

13.16%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

No change 0.00 pp

From 13.16% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Kubernetes

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard4 products
  • aws-efs-csi-driver-fips< 1.7.0-r5
  • kubeflow-pipelinesAll versions (No fix recorded)
  • nodetaintAll versions (No fix recorded)
  • spark-operatorAll versions (No fix recorded)
Wolfi3 products
  • kubeflow-pipelinesAll versions (No fix recorded)
  • nodetaintAll versions (No fix recorded)
  • spark-operatorAll versions (No fix recorded)
Kubernetes2 products
  • kubeletv1.28.0 | ≥ v1.27.0, ≤ v1.27.4 | ≥ v1.26.0, ≤ v1.26.7 | ≥ v1.25.0, ≤ v1.25.12 | ≤ v1.24.16
  • kubernetes< 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
Debian1 product
  • kubernetes< 1.20.5+really1.20.2-1
K8s.io1 product
  • kubernetes≥ 1.27.0, < 1.27.5 | ≥ 1.26.0, < 1.26.8 | ≥ 1.25.0, < 1.25.13 | < 1.24.17 | ≥ 1.28.0, < 1.28.1
Ubuntu1 product
  • kubernetesAll versions (No fix recorded)

6 vendors · 12 products

References

22 links
Show all 22 references