Vulnerability · Published Mar 24, 2025 · Assigned by kubernetes

CVE-2025-1974ingress-nginx admission controller RCE escalation

Critical 9.8

In plain English

A critical-severity security flaw in ingress-nginx from kubernetes. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 99.4% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)99.4%top 0.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling2Nuclei, Public PoC

Official description

A security issue was discovered in Kubernetes where under certain conditions, an unauthenticated attacker with access to the pod network can achieve arbitrary code execution in the context of the ingress-nginx controller. This can lead to disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gok8s.io/ingress-nginx1.11.5GHSA-mgvx-rpfc-9mpv
Gok8s.io/ingress-nginx1.12.1GHSA-mgvx-rpfc-9mpv
Gok8s.io/ingress-nginxno fix listedGO-2025-3567

Affected products (as reported)

VendorProductVersions
kubernetes ingress-nginx 0 – through 1.11.41.12.0

Weakness: CWE-653 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References