CVEvulnerability

CVE-2020-8559

6.8 MEDIUM Published 2020-07-22 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-07-22
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.4 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
6.8 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.0 MEDIUM — AV:N/AC:M/Au:S/C:P/I:P/A:P
Weaknesses
CWE-601

Description

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.

Affected configurations

• kubernetes kubernetes (>= 1.6.0 <= 1.15.0) • kubernetes kubernetes (>= 1.16.0 < 1.16.13) • kubernetes kubernetes (>= 1.17.0 < 1.17.9) • kubernetes kubernetes (>= 1.18.0 < 1.18.6)

Related

Weakness · CWE (1)

  • CWE-601 URL Redirection to Untrusted Site weakness

References