CVE Vulnerability

CVE-2021-20195

A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating to a complete account takeover is possible due to user-supplied data fields not being properly encoded and Javascript code being used to process the data. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.6 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1919143 Issue Tracking Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
Information

Published : 2021-05-28 11:15

Updated : 2022-08-05 03:21

NVD link : CVE-2021-20195

Mitre link : CVE-2021-20195

Products Affected
No products.
CWE
CWE-116

Improper Encoding or Escaping of Output