VDB
CVE-2021-25737
CVE-2021-25737
REJECTED
CVSS 4.800000190734863 MEDIUM
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.
EPSS 1.33% · 69.4th percentile
Risk Scores
CVSS 3.1
4.800000190734863
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS Score
1.33%
69.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | kubernetes | 0, 1.0 |
| Ubuntu:Pro:20.04:LTS | kubernetes | 0, 1.0 |
| Ubuntu:24.04:LTS | kubernetes | 0, 1.0 |
Timeline
- CVE Published
- Sep 5, 2021 PoC Published
- Sep 6, 2021 EPSS Score
- Oct 5, 2021 EPSS Score
- Nov 3, 2021 EPSS Score
- Dec 31, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 27, 2022 EPSS Score
- Apr 26, 2022 EPSS Score
- Jun 24, 2022 EPSS Score
- Oct 19, 2022 EPSS Score
- Dec 16, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-25737 third-party-advisory
- https://www.openwall.com/lists/oss-security/2021/05/18/4 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-25737 third-party-advisory