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CVE-2021-25742

HIGH
Published 2021-10-29T04:05:10.713250Z
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CVSS Score

V3.1
7.6
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.006
probability
of exploitation in the wild

There is a 0.6% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.693
Higher than 69.3% 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
LOW
Availability
LOW

Description

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Kubernetes

Kubernetes ingress-nginx

Affected Versions:

unspecified next of 0.49.0 unspecified next of 1.0.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-4pp2-3663-mcw8

Advisory Details

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster.

CVSS Scoring

CVSS Score

7.5

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-25742
WEB https://github.com/kubernetes/ingress-nginx/issues/7837
WEB https://groups.google.com/g/kubernetes-security-announce/c/mT4JJxi9tQY
WEB https://security.netapp.com/advisory/ntap-20211203-0001

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://groups.google.com/g/kubernetes-security-announce/c/mT4JJxi9tQY
https://github.com/kubernetes/ingress-nginx/issues/7837
https://security.netapp.com/advisory/ntap-20211203-0001/

HackerOne Reports

Ingress-nginx annotation injection allows retrieval of ingress-nginx serviceaccount token and secrets across all namespaces High
amlweems
Kubernetes
Code Injection
View Report
Ingress nginx annotation injection causes arbitrary command execution High
suanve
Kubernetes
$2500.00
Code Injection
View Report
Published: 2021-10-29T04:05:10.713250Z
Last Modified: 2024-09-16T23:06:12.392Z
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