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CVE-2020-8555

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Date: June 5, 2020

The Kubernetes kube-controller-manager in versions v1.0-1.14, versions prior to v1.15.12, v1.16.9, v1.17.5, and version v1.18.0 are vulnerable to a Server Side Request Forgery (SSRF) that allows certain authorized users to leak up to 500 bytes of arbitrary information from unprotected endpoints within the master's host network (such as link-local or loopback services).

Language: Go

Severity Score

Related Resources (10)

https://security-tracker.debian.org/tracker/CVE-2020-8555
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-8555
https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discussion
http://www.openwall.com/lists/oss-security/2021/05/04/8
https://github.com/kubernetes/kubernetes/issues/91542
https://security.netapp.com/advisory/ntap-20200724-0005/
https://nvd.nist.gov/vuln/detail/CVE-2020-8555
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
http://www.openwall.com/lists/oss-security/2020/06/01/4
https://www.mend.io/vulnerability-database/CVE-2020-8555

Severity Score

Weakness Type (CWE)

Server-Side Request Forgery (SSRF)

CWE-918

Top Fix

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Upgrade to version v1.18.1,v1.17.5,v1.16.9,v1.15.12

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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