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Detecting the ExternalIPs Kubernetes vulnerability in code

ID: 02dac844-64a4-5fb1-95b1-2b858c3e35eb

STIX ID: report--02dac844-64a4-5fb1-95b1-2b858c3e35eb

Feed Name: Snyk Blog

Threat Score
55/100

Date Published: 2020-12-10

Date Updated: 2026-09-15

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Snyk warns about Kubernetes CVE-2020-8554, an unpatchable vulnerability that can allow traffic interception when Services use externalIPs. Snyk IaC now includes a rule to detect externalIP usage and recommends removing or restricting externalIPs (especially in multi-tenant clusters) and using admission controllers or OPA Gatekeeper as mitigations.

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