CVE-2021-25737

Name
CVE-2021-25737
Description
A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://github.com/kubernetes/kubernetes/issues/102106
MISC https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY
Third Party Advisory https://security.netapp.com/advisory/ntap-20211004-0004/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* kubernetes >= 1.16.0 < 1.18.19
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* kubernetes >= 1.19.0 < 1.19.10
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* kubernetes >= 1.20.0 < 1.20.7
cpe:2.3:a:kubernetes:kubernetes:1.21.0:-:*:*:*:*:*:* kubernetes == None == 1.21.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status