CVE-2020-8565 MEDIUM

CVE-2020-8565: Incomplete fix for CVE-2019-11250 allows for token leak in logs when logLevel >= 9

Vendor Kubernetes
Product Kubernetes
Weakness CWE-532 · Sensitive info in logs
Published December 7, 2020
Last update September 17, 2024

CVSS base score

4.7/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files. This can occur both in API server logs and client tool output like kubectl. This affects <= v1.19.3, <= v1.18.10, <= v1.17.13, < v1.20.0-alpha2.

Key dates

02Disclosure timeline

December 7, 2020 CVE published
September 17, 2024 Record updated