CVE-2021-20202
May 12, 2021
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 Packages
org.keycloak:keycloak-core (JAVA):
Affected version(s) >=1.0-alpha-1 <13.0.0Fix Suggestion:
Update to version 13.0.0org.keycloak:keycloak-core (JAVA):
Affected version(s) >=1.0-alpha-1 <13.0.0Fix Suggestion:
Update to version 13.0.0org.keycloak:keycloak-core (JAVA):
Affected version(s) >=1.0-alpha-1 <13.0.0Fix Suggestion:
Update to version 13.0.0org.keycloak:keycloak-core (JAVA):
Affected version(s) >=1.0-alpha-1 <13.0.0Fix Suggestion:
Update to version 13.0.0Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.4
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
LOW
CVSS v2
Base Score:
4.6
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Weakness Type (CWE)
Insecure Temporary File
EPSS
Base Score:
0.05