CVE-2021-25737
Holes in EndpointSlice Validation Enable Host Network Hijack
- State
- Published
- Severity
- 2.7 Low
- Published
- Sep 6, 2021
- Updated
- Sep 16, 2024
- Reserved
- Jan 21, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 2.7 Low | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N | kubernetes |
Weaknesses
- CWE-184 Incomplete Blacklist
Affected Products
| Product | Versions |
|---|---|
KubernetesKubernetes |
|
References
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.