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HIGH · 7.5

CVE-2021-3513

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 entere...

Vulnerability 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 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
RedhatKeycloak< 13.0.0

Related Weaknesses (CWE)

CWE-522CWE-209

References

FAQ

What is CVE-2021-3513?

CVE-2021-3513 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 entere...

How severe is CVE-2021-3513?

CVE-2021-3513 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3513?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Keycloak.