CVE-2021-3513
Incorrect implementation of lockout feature in Keycloak
7.5
HIGH
CVSS 3.1
EPSS 0.20%
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.
How to fix CVE-2021-3513
To remediate CVE-2021-3513, upgrade the affected package to a fixed version below.
- —upgrade to 13.0.0 or later
Is CVE-2021-3513 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 13.0.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |