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githubGitHub Advisory DatabaseGHSA-M9CJ-V55F-8X26
HistoryMar 18, 2022 - 5:55 p.m.

Authentication Bypass in keycloak

2022-03-1817:55:26
CWE-250
GitHub Advisory Database
github.com
140
keycloak
authentication bypass
user metadata

CVSS2

4.9

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

4.2

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.001

Percentile

22.7%

JSON

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.

Affected configurations

Vulners
Node
org.keycloakkeycloak-coreRange<12.0.0
VendorProductVersionCPE
org.keycloakkeycloak-core*cpe:2.3:a:org.keycloak:keycloak-core:*:*:*:*:*:*:*:*

Related

redhat 4
osv 2
nessus 3
veracode 1
redhatcve 1
prion 1
cvelist 1
cve 1
nvd 1
redhat
redhat
(RHSA-2020:5526) Low: Red Hat Single Sign-On 7.4.4 security update on RHEL 6
2020-12-15 16:52:18
(RHSA-2020:5527) Low: Red Hat Single Sign-On 7.4.4 security update on RHEL 7
2020-12-15 16:52:26
(RHSA-2020:5528) Low: Red Hat Single Sign-On 7.4.4 security update on RHEL 8
2020-12-15 16:52:33
osv
osv
Authentication Bypass in keycloak
2022-03-18 17:55:26
CVE-2020-27826
2021-05-28 11:15:07
nessus
nessus
RHEL 8 : Red Hat Single Sign-On 7.4.4 security update on RHEL 8 (Low) (RHSA-2020:5528)
2020-12-18 00:00:00
RHEL 6 : Red Hat Single Sign-On 7.4.4 security update on RHEL 6 (Low) (RHSA-2020:5526)
2020-12-18 00:00:00
RHEL 7 : Red Hat Single Sign-On 7.4.4 security update on RHEL 7 (Low) (RHSA-2020:5527)
2020-12-18 00:00:00
veracode
veracode
Privilege Escalation
2020-12-19 05:51:29
redhatcve
redhatcve
CVE-2020-27826
2020-12-07 17:29:54
prion
prion
Design/Logic Flaw
2021-05-28 11:15:00
cvelist
cvelist
CVE-2020-27826
2021-05-28 10:20:30
cve
cve
CVE-2020-27826
2021-05-28 11:15:07
nvd
nvd
CVE-2020-27826
2021-05-28 11:15:07

CVSS2

4.9

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

4.2

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.001

Percentile

22.7%

JSON
Related for GHSA-M9CJ-V55F-8X26
redhat4osv2nessus3veracode1redhatcve1prion1cvelist1cve1nvd1