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externalip-webhook

🗓️ 20 Aug 2026 23:34:21Reported by KitPloitType 
kitploit
 kitploit🔗 kitploit.com👁 1 Views

Kubernetes validating webhook preventing services from using random external IPs (CVE-2020-8554).

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Refs
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ibm
IBM Security Bulletins		Security Bulletin: IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image
15 Apr 202502:54
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IBM Security Bulletins		Security Bulletin: Red Hat OpenShift on IBM Cloud is affected by a Kubernetes security vulnerability (CVE-2020-8554)
11 Mar 202110:40
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IBM Security Bulletins		Security Bulletin: IBM Cloud Private is vulnerable to Kubernetes vulnerabilities (CVE-2020-8554)
2 Sep 202121:13
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IBM Security Bulletins		Security Bulletin: IBM Cloud Kubernetes Service is affected by a Kubernetes security vulnerability (CVE-2020-8554)
11 Jun 202115:44
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alpinelinux
AlpineLinux		CVE-2020-8554
21 Jan 202117:09
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Gitee		Exploit for OS Command Injection in Docker
27 Jul 202503:40
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Gitee		Exploit for OS Command Injection in Docker
12 Nov 202116:15
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cbl_mariner
CBLMariner		CVE-2020-8554 affecting package python-kubernetes for versions less than 21.7.0-1
5 Feb 202522:12
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cbl_mariner
CBLMariner		CVE-2020-8554 affecting package kubernetes for versions less than 1.28.3-1
8 Nov 202302:07
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CBLMariner		CVE-2020-8554 affecting package kubernetes for versions less than 1.28.3-2
19 Mar 202417:21
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20 Aug 2026 23:34Current
CVSS 3.15 - 6.3
CVSS 26
EPSS0.09274
externalip-webhookvalidating webhookCVE-2020-8554Kubernetesexternal IP
1