CVE-2020-27826

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

4.2 /10

CVSS v3 : MEDIUM

V3 Legend

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

V2 Legend

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

04 Jun 2021, 16:50

Type Values Removed Values Added
CVSS v2 : 6.5
v3 : 8.8 		v2 : 4.9
v3 : 4.2
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1905089 - Issue Tracking, Third Party Advisory (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1905089 - Issue Tracking, Vendor Advisory

02 Jun 2021, 17:20

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 6.5
v3 : 8.8
CPE cpe:2.3:a:redhat:single_sign-on:7.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:single_sign-on:7.4.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1905089 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1905089 - Issue Tracking, Third Party Advisory

28 May 2021, 11:37

Type Values Removed Values Added
CWE CWE-250

28 May 2021, 11:15

Type Values Removed Values Added
New CVE
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