MEDIUM 5.0 Microsoft PoC
CVE-2020-8554
Kubernetes man in the middle using LoadBalancer or ExternalIPs
Microsoft Security Update 2021-Jan: Kubernetes man in the middle using LoadBalancer or ExternalIPs
Affected Products
- azl3 kubernetes 1.30.10-7 on Azure Linux 3.0
- cm1 kubernetes 1.22.4-2 on CBL Mariner 1.0
- cbl2 kubernetes 1.28.3-1 on CBL Mariner 2.0
- cbl2 python-kubernetes 21.7.0-1 on CBL Mariner 2.0
- azl3 python-kubernetes 21.7.0-1 on Azure Linux 3.0
- azl3 kubernetes 1.28.3-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-8554
- https://nvd.nist.gov/vuln/detail/CVE-2020-8554
This medium severity vulnerability with a CVSS score of 5.0 was published on 2021-01-12 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 9.3% (top 5% of all CVEs by exploitation probability). Affected: azl3 kubernetes 1.30.10-7 on Azure Linux 3.0, cm1 kubernetes 1.22.4-2 on CBL Mariner 1.0, cbl2 kubernetes 1.28.3-1 on CBL Mariner 2.0 and 3 more.
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