CVE-2020-8554

moderate-risk
Published 2021-01-21

Kubernetes API server in all versions allow an attacker who is able to create a ClusterIP service and set the spec.externalIPs field, to intercept traffic to that IP address. Additionally, an attacker who is able to patch the status (which is considered a privileged operation and should not typically be granted to users) of a LoadBalancer service can set the status.loadBalancer.ingress.ip to similar effect.

Do I need to act?

!
24.8% chance of exploitation in next 30 days
EPSS score — higher than 75% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.3/10 Medium
NETWORK / LOW complexity

Affected Vendors

48
/ 100
moderate-risk
Severity 23/34 · High
Exploitability 15/34 · Moderate
Exposure 10/34 · Low