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.

CVSS v3 9.6 CRITICAL
CVSS v2.0 6.8 MEDIUM

9.6^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-05-28 11:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-20195

Mitre link : CVE-2021-20195

CVE.ORG link : CVE-2021-20195

JSON object : View

Products Affected

redhat

keycloak

CWE

CWE-116

Improper Encoding or Escaping of Output

CWE-20

Improper Input Validation

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