CVE-2021-25737: Holes in EndpointSlice Validation Enable Host Network Hijack
Affected: Kubernetes · Exploitation: possible (1 to 10%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 71% of scored CVEs
DescriptionCVE.org
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 products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Kubernetes · Kubernetesup to and including 1.18.18; up to and including 1.19.10; up to and including 1.20.6; up to and including 1.21.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Possible (1 to 10%). EPSS between 1% and 10%.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Kubernetes
- Published
- September 2021
- Bounty reports
- 1 disclosed on HackerOne
Disclosed bug bounty reports about CVE-2021-25737
The reports on HackerOne that name this CVE, with HackerOne's own outcome. Titles and metadata only.
- Holes in EndpointSlice Validation Enable Host Network HijackKubernetes · 2021 · low severityValid
CoverageNo articles yet
No CyberSIXT article names CVE-2021-25737 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.