CVE-2021-25737
4.8
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Exploitability: 1.7 / Impact: 2.7
Source: NVD
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.
Affected (4)
Products: Kubernetes: Kubernetes
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| From 1.16.0 to 1.18.19 |
Related CWEs
CWE-184
Incomplete List of Disallowed Inputs
The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete, leading to resultant weaknesses.
CWE-601
URL Redirection to Untrusted Site ('Open Redirect')
A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.
References (6)
Source: jordan@liggitt.net
PatchThird Party Advisory
Source: jordan@liggitt.net
Mailing ListThird Party Advisory
Source: jordan@liggitt.net
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Timeline
No history available yet.