What is CVE-2022-4886?

CVE-2022-4886 is a high-severity vulnerability in Kubernetes Ingress-nginx, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2023-10-25.

How severe is CVE-2022-4886?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2022-4886 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Kubernetes Ingress-nginx

CVE-2022-4886

Ingress-nginx `path` sanitization can be bypassed with `log_format` directive.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (37.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Kubernetes Ingress-nginx — versions 0, 1.8.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

zhanpengliu-tencent/medium-cve

References

Frequently asked questions

What is CVE-2022-4886?: CVE-2022-4886 is a high-severity vulnerability in Kubernetes Ingress-nginx, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2023-10-25.
How severe is CVE-2022-4886?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-4886 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.