Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-46599

19
FAUCET Score

CVE-2025-46599 affects CNCF K3s versions prior to 1.32.4-rc1+k3s1, where an unintended kubelet configuration change can set ReadOnlyPort to 10255. This misconfiguration, particularly in default online installations, may expose credentials through unauthenticated access to this port. This vulnerability is rated Medium severity (CVSS 6.8), indicating a network-based attack with high complexity, requiring no user interaction or privileges. A successful exploit could lead to high confidentiality impact by exposing sensitive information. Currently, there is no evidence of active exploitation, nor is exploit code available in Metasploit, Nuclei, or ExploitDB. The vulnerability has received minimal community discussion and media coverage, suggesting low public awareness at this time.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.32, < 1.32.4-rc1+k3sCPE match
cpe:2.3:a:k3s:k3s:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 4th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa
Product: github.com/k3s-io/k3sFixed in: 1.32.4-rc1

Vendor Advisories (1)

goGHSA-864f-7xjm-2jp2medium

CNCF K3s Kubernetes kubelet configuration exposes credentials

Apr 25, 2025

References

cloud.google.com / kubernetes-engine/docs/how-to/disable-kubelet-readonly-port
github.com / f1veT/BUG/issues/2
github.com / k3s-io/k3s/commit/097b63e588e3c844cdf9b967bcd0a69f4fc0aa0a
github.com / k3s-io/k3s/compare/v1.32.3+k3s1...v1.32.4-rc1+k3s1
github.com / k3s-io/k3s/issues/12164