CVE-2021-20202

HIGH
7.3
CVSS Score
Published: May 12, 2021 at 02:40 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
1 product affected across 1 vendorKeycloak

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Severity
HIGH7.3
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 13.0.013.0.0
Affected range stops below 13.0.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_MISCIssue TrackingVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1922128

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-377

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