Vulnerability · Published Oct 25, 2023 · Assigned by kubernetes

CVE-2023-5043Ingress nginx annotation injection causes arbitrary command execution

High 7.6

In plain English

A high-severity improper input validation in ingress-nginx from Kubernetes. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.6High
Exploit odds (30 days)2.5%top 15.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

Ingress nginx annotation injection causes arbitrary command execution.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gok8s.io/ingress-nginx1.9.0GHSA-5wj4-wffq-3378

Affected products (as reported)

VendorProductVersions
Kubernetes ingress-nginx 0 – before 1.9.0

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

References