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osvGoogleOSV:CVE-2023-6291
HistoryJan 26, 2024 - 3:15 p.m.

CVE-2023-6291

2024-01-2615:15:08
Google
osv.dev
11
keycloak
redirect_uri
validation
access token
impersonation
security flaw

7.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

6.1 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.7%

A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users.

7.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

6.1 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.7%