CVE-2021-25742

HIGH

ingress-nginx < 0.49.1 - Unauthenticated Secret Exposure via Custom Snippets

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Mailing List, Mitigation, Third Party Advisory x_refsource_misc
https://groups.google.com/g/kubernetes-security-announce/c/mT4JJxi9tQY
Exploit, Issue Tracking, Mitigation, Third Party Advisory x_refsource_misc
https://github.com/kubernetes/ingress-nginx/issues/7837
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20211203-0001/

Scores

CVSS v3 7.6
EPSS 0.0061
EPSS Percentile 70.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Details

CWE
CWE-20
Status published
Products (3)
kubernetes/ingress-nginx 1.0.0
kubernetes/ingress-nginx < 0.49.1
netapp/trident
Published Oct 29, 2021
Tracked Since Feb 18, 2026