CVE-2022-3172: Kubernetes - API server - Aggregated API server can cause clients to be redirected (SSRF)
Vulnerability summary
CVE-2022-3172 is a high (CVSS 8.2) Server-Side Request Forgery vulnerability in kubernetes apiserver. EPSS estimates a 2.46% chance of exploitation in the next 30 days, higher than 84.4% of scored vulnerabilities.
Not severe (CVSS 5.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 03-11-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 5 sources · 1 version- CVE.orgCNA5.1MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:LDiffers
- OSV · Red hatEcosystem advisory · calculated5.1MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
- OSV · DebianEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
EPSS trend
Probability
2.46%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.46% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, administrative account, user interaction (CVSS vector). Other conditions: not stated in public data.
Kubernetes2 products
- apiserver≤ 1.21.14 | ≥ 1.22.0, < 1.22.14 | ≥ 1.23.0, < 1.23.11 | ≥ 1.24.0, < 1.24.5 | 1.25.0
- kube-apiserverv1.25.0 | ≥ v1.24.0, ≤ v1.24.4 | ≥ v1.23.0, ≤ v1.23.10 | ≥ v1.22.0, ≤ v1.22.13 | ≤ v1.21.14
Redhat2 products
- openshift< 0:4.11.0-202210122157.p0.g5157800.assembly.stream.el8
- openshift-hyperkube< 0:4.11.0-202210122157.p0.g5157800.assembly.stream.el8
Debian1 product
- kubernetes< 1.20.5+really1.20.2-1
Ubuntu1 product
- kubernetesAll versions (No fix recorded)
4 vendors · 6 products