Vulnerability Details : CVE-2021-20222
A flaw was found in keycloak. The new account console in keycloak can allow malicious code to be executed using the referrer URL. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Vulnerability category: Cross site scripting (XSS)Input validation
Products affected by CVE-2021-20222
- cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20222
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20222
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.1
|
MEDIUM | AV:N/AC:H/Au:N/C:P/I:P/A:P |
4.9
|
6.4
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.6
|
5.9
|
NIST |
CWE ids for CVE-2021-20222
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: secalert@redhat.com (Secondary)
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-20222
-
https://bugzilla.redhat.com/show_bug.cgi?id=1924606
1924606 – (CVE-2021-20222) CVE-2021-20222 keycloak: reflected XSS attack with referrer in new account consoleIssue Tracking;Vendor Advisory
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