CVEvulnerability

CVE-2021-25741

8.1 HIGH Published 2021-09-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-09-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0 ([email protected])
5.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:N
Weaknesses
CWE-20, CWE-552

Description

A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.

Affected configurations

• kubernetes kubernetes (<= 1.19.14) • kubernetes kubernetes (>= 1.20.0 <= 1.20.10) • kubernetes kubernetes (>= 1.21.0 <= 1.21.4) • kubernetes kubernetes (>= 1.22.0 <= 1.22.1)

Related

Weakness · CWE (2)

  • CWE-20 Improper Input Validation weakness
  • CWE-552 Files or Directories Accessible to External Parties weakness

References