Medium severity · published Jun 5, 2020
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…
6.3
CVSS
3.7%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.7% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
32 · source: NVD
KU
Kubernetes · Kubernetes
before 1.15.11; 1.16.0 before 1.16.9; 1.17.0 before 1.17.5; 1.18.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8555
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8555
Mailing List
http://www.openwall.com/lists/oss-security/2020/06/01/4
Mailing List
http://www.openwall.com/lists/oss-security/2021/05/04/8
Third Party Advisory
https://github.com/kubernetes/kubernetes/issues/91542
Mailing List
https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discussion
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20200724-0005/
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