High severity · published Aug 22, 2022
CVE-2021-3513
A flaw was found in keycloak where a brute force attack is possible even when the permanent lockout feature is enabled
7.5
CVSS
0.8%
EPSS
No
On KEV
Description
A flaw was found in keycloak where a brute force attack is possible even when the permanent lockout feature is enabled. This is due to a wrong error message displayed when wrong credentials are entered. The highest threat from this vulnerability is to confidentiality.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% 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-2021-3513
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3513
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2021-3513
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1953439
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