CVE-2021-20262

A flaw was found in Keycloak 12.0.0 where re-authentication does not occur while updating the password. This flaw allows an attacker to take over an account if they can obtain temporary, physical access to a user’s browser. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS v3.0 6.8 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.8^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1933639	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:redhat:keycloak:12.0.0:::::::*
	cpe:2.3:a:redhat:single_sign-on:7.0:::::::*

Information

Published : 2021-03-09 10:15

Updated : 2021-03-15 07:12

NVD link : CVE-2021-20262

Mitre link : CVE-2021-20262

JSON object : View

CWE

CWE-306

Missing Authentication for Critical Function

Products Affected

redhat

single_sign-on
keycloak

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6.8 /10