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Tool Directory

CVE-2023-5044

HighPublished

Code injection via nginx.ingress.kubernetes.io/permanent-redirect annotation

Published: Oct 25, 2023
Updated: Jun 12, 2025
Assigning CNA: kubernetes
Evidence observed: Aug 8, 2026

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

56.6%

High · next 30 days

Percentile: 99.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Code injection via nginx.ingress.kubernetes.io/permanent-redirect annotation.

Sources

cve-2023-5044Exploit
Go-based proof-of-concept exploit for CVE-2023-5044 in ingress-nginx, enabling authenticated remote command execution by creating crafted Kubernetes Ingress objects.
CVE-2023-5044PoC
PoC CVE-2023-5044
CVE-2023-5044PoC
Poc for CVE 2023 5044

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