CVE-2020-8555

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).
SSRF
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.3 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
kubernetesCNA
6.3 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 93%
VendorProductVersion
kuberneteskubernetes
𝑥
< 1.15.11
kuberneteskubernetes
1.16.0 ≤
𝑥
< 1.16.9
kuberneteskubernetes
1.17.0 ≤
𝑥
< 1.17.5
kuberneteskubernetes
1.18.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
kubernetes
bullseye
1.20.5+really1.20.2-1
fixed
bookworm
1.20.5+really1.20.2-1.1
fixed
sid
1.20.5+really1.20.2-1.1
fixed
trixie
1.20.5+really1.20.2-1.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
kubernetes
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
eoan
ignored
bionic
dne
xenial
dne
trusty
dne
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2020/06/01/4
http://www.openwall.com/lists/oss-security/2021/05/04/8
https://github.com/kubernetes/kubernetes/issues/91542
https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discussion
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
https://security.netapp.com/advisory/ntap-20200724-0005/
http://www.openwall.com/lists/oss-security/2020/06/01/4
http://www.openwall.com/lists/oss-security/2021/05/04/8
https://github.com/kubernetes/kubernetes/issues/91542
https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discussion
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
https://security.netapp.com/advisory/ntap-20200724-0005/