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8.8
CVSSv3

CVE-2022-23652

Published: 22/02/2022 Updated: 01/03/2022
CVSS v2 Base Score: 6.5 | Impact Score: 6.4 | Exploitability Score: 8
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 580
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Vulnerability Summary

capsule-proxy is a reverse proxy for Capsule Operator which provides multi-tenancy in Kubernetes. In versions before 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.

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clastix capsule-proxy

References

CWE-287https://github.com/clastix/capsule-proxy/commit/efe91f68ebf8a9e3d21491dc57da7b8a746415d8https://github.com/clastix/capsule-proxy/security/advisories/GHSA-9cwv-cppx-mqjmhttps://github.com/clastix/capsule-proxy/issues/188https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
man-in-the-middlecommand injectionCVE-2021-47511CVE-2024-26238CVE-2024-4858CVE-2024-21305XXECVE-2021-47555CVE-2021-47526
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