CVE-2020-8555

medium

Description

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).

References

Advisories

https://security.netapp.com/advisory/ntap-20200724-0005/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/

https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discussion

https://github.com/kubernetes/kubernetes/issues/91542

http://www.openwall.com/lists/oss-security/2021/05/04/8

http://www.openwall.com/lists/oss-security/2020/06/01/4

Details

Source: Mitre, NVD

Published: 2020-06-05

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 3.5

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 6.3

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.14776