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CVE-2021-25740

LOW
Published 2021-09-20T17:05:18.065542Z
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CVSS Score

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

EPSS Score

v2025.03.14
0.005
probability
of exploitation in the wild

There is a 0.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.664
Higher than 66.4% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
NONE

Description

A security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Kubernetes

Kubernetes

Affected Versions:

unspecified next of 1.20.11 unspecified next of 1.21.5 unspecified next of 1.22.2

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed LOW

Confused Deputy in Kubernetes

GHSA-vw47-mr44-3jf9

Advisory Details

A security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack.

Affected Packages

Go k8s.io/kubernetes
ECOSYSTEM: ≥0 ≤1.22.2

CVSS Scoring

CVSS Score

2.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-25740
WEB https://github.com/kubernetes/kubernetes/issues/103675
PACKAGE https://github.com/kubernetes/kubernetes
WEB https://groups.google.com/g/kubernetes-security-announce/c/WYE9ptrhSLE
WEB https://security.netapp.com/advisory/ntap-20211014-0001

Advisory provided by GitHub Security Advisory Database. Published: September 21, 2021, Modified: September 21, 2021

References

https://groups.google.com/g/kubernetes-security-announce/c/WYE9ptrhSLE
https://github.com/kubernetes/kubernetes/issues/103675
https://security.netapp.com/advisory/ntap-20211014-0001/
Published: 2021-09-20T17:05:18.065542Z
Last Modified: 2024-09-16T19:30:45.241Z
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