Vulnerability · Published Nov 3, 2023 · Assigned by kubernetes

CVE-2022-3172Kubernetes - API server - Aggregated API server can cause clients to be redirected (SSRF)

Medium 5.1

In plain English

A medium-severity server-side request forgery in kube-apiserver 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)5.1Medium
Exploit odds (30 days)2.5%top 15.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

A security issue was discovered in kube-apiserver that allows an aggregated API server to redirect client traffic to any URL. This could lead to the client performing unexpected actions as well as forwarding the client's API server credentials to third parties.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12kubernetes1.20.5+really1.20.2-1DEBIAN-CVE-2022-3172
Debian:13kubernetes1.20.5+really1.20.2-1DEBIAN-CVE-2022-3172
Debian:14kubernetes1.20.5+really1.20.2-1DEBIAN-CVE-2022-3172
Ubuntu:22.04:LTSkubernetesno fix listedUBUNTU-CVE-2022-3172
Ubuntu:24.04:LTSkubernetesno fix listedUBUNTU-CVE-2022-3172

Affected products (as reported)

VendorProductVersions
Kubernetes kube-apiserver v1.25.0v1.24.0 – through v1.24.4v1.23.0 – through v1.23.10v1.22.0 – through v1.22.13

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L

References