CVE-2020-27826

A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.

CVSS v3 4.2 MEDIUM
CVSS v2.0 4.9 MEDIUM

4.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 6.8 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1905089	Issue Tracking Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1905089	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR	cpe:2.3:a:redhat:single_sign-on:-::::text-only:::
	cpe:2.3:a:redhat:single_sign-on:7.4:::::::*
	cpe:2.3:a:redhat:single_sign-on:7.4.4:::::::*

History

21 Nov 2024, 05:21

Type	Values Removed	Values Added
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=1905089 - Issue Tracking, Vendor Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=1905089 - Issue Tracking, Vendor Advisory

Information

Published : 2021-05-28 11:15

Updated : 2024-11-21 05:21

NVD link : CVE-2020-27826

Mitre link : CVE-2020-27826

CVE.ORG link : CVE-2020-27826

JSON object : View

Products Affected

redhat

keycloak
single_sign-on

CWE

CWE-250

Execution with Unnecessary Privileges

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