CVE-2022-23652 (GCVE-0-2022-23652)
Vulnerability from cvelistv5 – Published: 2022-02-22 19:55 – Updated: 2025-04-22 18:21
VLAI
EPSS
VEX
Title
Privilege escalation using hop-by-hop Connection header
Summary
capsule-proxy is a reverse proxy for Capsule Operator which provides multi-tenancy in Kubernetes. In versions prior to 0.2.1 an attacker with a proper authentication mechanism may use a malicious `Connection` header to start a privilege escalation attack towards the Kubernetes API Server. This vulnerability allows for an exploit of the `cluster-admin` Role bound to `capsule-proxy`. There are no known workarounds for this issue.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-22 15:44 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
GitHub_M
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/clastix/capsule-proxy/security… | x_refsource_CONFIRM |
| https://github.com/clastix/capsule-proxy/issues/188 | x_refsource_MISC |
| https://github.com/clastix/capsule-proxy/commit/e… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| clastix | capsule-proxy |
Affected:
< 0.2.1
|
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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