SSRF in Kubernetes Apiserver
CVE-2022-3172
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.025 (82.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L.
Affected products
- Kubernetes Apiserver — versions 1.25.0
- Kubernetes Kube-apiserver — versions v1.25.0, v1.24.0, v1.23.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jordan@liggitt.net (issue-tracking, Issue Tracking, Vendor Advisory)
- jordan@liggitt.net (mailing-list, Mailing List)
- jordan@liggitt.net
Frequently asked questions
- What is CVE-2022-3172?
- CVE-2022-3172 is a medium-severity vulnerability in Kubernetes Apiserver, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.1/10. Published 2023-11-03.
- How severe is CVE-2022-3172?
- Medium severity. CVSS v3 base score is 5.1 out of 10.
- Is CVE-2022-3172 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.