CVE-2021-20202

HIGH

Keycloak < 13.0.0 - Insecure Temporary File Permissions

Title source: llm
STIX 2.1

Description

A flaw was found in keycloak. Directories can be created prior to the Java process creating them in the temporary directory, but with wider user permissions, allowing the attacker to have access to the contents that keycloak stores in this directory. The highest threat from this vulnerability is to data confidentiality and integrity.

References (1)

Core 1
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1922128

Scores

CVSS v3 7.3
EPSS 0.0030
EPSS Percentile 21.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Details

CWE
CWE-377
Status published
Products (2)
org.keycloak/keycloak-core 0 - 13.0.0Maven
redhat/keycloak < 13.0.0
Published May 12, 2021
Tracked Since Feb 18, 2026