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CVE-2023-3893

HIGH
Published 2023-11-03T17:34:10.188Z
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CVSS Score

V3.1
8.8
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.015
probability
of exploitation in the wild

There is a 1.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.799
Higher than 79.9% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

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

Understanding This Vulnerability

This Common Vulnerabilities and Exposures (CVE) entry provides detailed information about a security vulnerability that has been publicly disclosed. CVEs are standardized identifiers assigned by MITRE Corporation to track and catalog security vulnerabilities across software and hardware products.

The severity rating (HIGH) indicates the potential impact of this vulnerability based on the CVSS (Common Vulnerability Scoring System) framework. Higher severity ratings typically indicate vulnerabilities that could lead to more significant security breaches if exploited. Security teams should prioritize remediation efforts based on severity, exploit availability, and the EPSS (Exploit Prediction Scoring System) score, which predicts the likelihood of exploitation in the wild.

If this vulnerability affects products or systems in your infrastructure, we recommend reviewing the affected products section, checking for available patches or updates from vendors, and implementing recommended workarounds or solutions until a permanent fix is available. Organizations should also monitor security advisories and threat intelligence feeds for updates about active exploitation of this vulnerability.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

References

Credits & Acknowledgments

finder

James Sturtevant

finder

Mark Rossetti

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Kubernetes csi-proxy vulnerable to privilege escalation due to improper input validation

GHSA-r6cc-7wj7-gfx2

Advisory Details

Kubernetes is vulnerable to privilege escalation when a user that can create pods on Windows nodes running kubernetes-csi-proxy may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes running kubernetes-csi-proxy.

Affected Packages

Go github.com/kubernetes-csi/csi-proxy/v2
ECOSYSTEM: ≥2.0.0-alpha.0 <2.0.0-alpha.1
Go github.com/kubernetes-csi/csi-proxy
ECOSYSTEM: ≥0.1.0-rc1 <1.1.3
Go github.com/kubernetes-csi/csi-proxy
ECOSYSTEM: ≥0 <0.0.0-20230821192013-2523e6674ded
Go github.com/kubernetes-csi/csi-proxy
ECOSYSTEM: ≥1.1.3-0 <1.1.3-0.20230821192013-2523e6674ded

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Advisory provided by GitHub Security Advisory Database. Published: November 3, 2023, Modified: July 9, 2025

References

Published: 2023-11-03T17:34:10.188Z
Last Modified: 2025-02-13T17:02:36.473Z
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