VDB
CVE-2020-8561
CVE-2020-8561
REJECTED
CVSS 4.099999904632568 MEDIUM
A security issue was discovered in Kubernetes where actors that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests are able to redirect kube-apiserver requests to private networks of the apiserver. If that user can view kube-apiserver logs when the log level is set to 10, they can view the redirected responses and headers in the logs.
EPSS 2.10% · 80.3th percentile
Risk Scores
CVSS 3.1
4.099999904632568
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
EPSS Score
2.10%
80.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:20.04:LTS | kubernetes | 0, 1.0 |
| Ubuntu:24.04:LTS | kubernetes | 0, 1.0 |
| Ubuntu:22.04:LTS | kubernetes | 0, 1.0 |
Timeline
- CVE Published
- Sep 21, 2021 EPSS Score
- Oct 2, 2021 EPSS Score
- Oct 7, 2021 PoC Published
- Nov 17, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Jan 14, 2022 EPSS Score
- Mar 12, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 8, 2022 EPSS Score
- Jul 5, 2022 EPSS Score
- Oct 28, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-8561 third-party-advisory
- https://github.com/kubernetes/kubernetes/issues/104720 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-8561 third-party-advisory