VDB
CVE-2020-8559
CVE-2020-8559
REJECTED
CVSS 6.800000190734863 MEDIUM
The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.
EPSS 6.10% · 93.2th percentile
Risk Scores
CVSS 3.1
6.800000190734863
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
EPSS Score
6.10%
93.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:24.04:LTS | kubernetes | 0, 1.0 |
| Ubuntu:Pro:20.04:LTS | kubernetes | 1.0, 0 |
| Ubuntu:22.04:LTS | kubernetes | 0, 1.0 |
Timeline
- CVE Published
- Oct 30, 2020 PoC Published
- Apr 14, 2021 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 17, 2025 EPSS Score
- Mar 20, 2025 EPSS Score
- Mar 27, 2025 EPSS Score
- Mar 29, 2025 EPSS Score
- Mar 30, 2025 EPSS Score
- Apr 28, 2025 EPSS Score
- May 1, 2025 EPSS Score
- Jun 1, 2025 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-8559 third-party-advisory
- https://www.openwall.com/lists/oss-security/2020/07/15/6 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-8559 third-party-advisory