High severity · published May 12, 2021
CVE-2021-20202
A flaw was found in keycloak
7.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keycloak · Redhat
before 13.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20202
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20202
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1922128
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