CVE-2021-3513
First published: Mon Apr 26 2021(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/rh-sso7-keycloak | <0:9.0.15-1.redhat_00002.1.el6 | 0:9.0.15-1.redhat_00002.1.el6 |
| redhat/rh-sso7-keycloak | <0:9.0.15-1.redhat_00002.1.el7 | 0:9.0.15-1.redhat_00002.1.el7 |
| redhat/rh-sso7-keycloak | <0:9.0.15-1.redhat_00002.1.el8 | 0:9.0.15-1.redhat_00002.1.el8 |
| Redhat Keycloak | <13.0.0 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2021-3513
- https://bugzilla.redhat.com/show_bug.cgi?id=1953439
- https://issues.redhat.com/browse/KEYCLOAK-17835
- https://access.redhat.com/errata/RHSA-2021:3528
- https://access.redhat.com/errata/RHSA-2021:3529
- https://access.redhat.com/errata/RHSA-2021:3527
- https://access.redhat.com/errata/RHSA-2021:3534
- https://access.redhat.com/security/cve/cve-2021-3513
- https://www.cve.org/CVERecord?id=CVE-2021-3513 https://nvd.nist.gov/vuln/detail/CVE-2021-3513
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2021-3513?
CVE-2021-3513 is a vulnerability in Keycloak that allows for a brute force attack even when the permanent lockout feature is enabled.
What is the severity of CVE-2021-3513?
The severity of CVE-2021-3513 is high.
How does CVE-2021-3513 impact confidentiality?
CVE-2021-3513 poses a threat to confidentiality.
What is the remedy for CVE-2021-3513 in Keycloak 13.0.0?
The remedy for CVE-2021-3513 in Keycloak 13.0.0 is to upgrade to version 13.0.1 or later.
What is the remedy for CVE-2021-3513 in RH-SSO7 Keycloak?
The remedy for CVE-2021-3513 in RH-SSO7 Keycloak is to upgrade to version 9.0.16 or later on EL6, EL7, or EL8.
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