Vulnerability Details : 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 entered. The highest threat from this vulnerability is to confidentiality.
Products affected by CVE-2021-3513
- cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3513
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3513
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-3513
-
The product generates an error message that includes sensitive information about its environment, users, or associated data.Assigned by: nvd@nist.gov (Primary)
-
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2021-3513
-
https://access.redhat.com/security/cve/CVE-2021-3513
CVE-2021-3513- Red Hat Customer PortalVendor Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=1953439
1953439 – (CVE-2021-3513) CVE-2021-3513 keycloak: Brute force attack is possible even after the account lockoutIssue Tracking;Vendor Advisory
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