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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
12
keycloak
redirect_uri
validation
access token
impersonation
security flaw

CVSS3

7.1

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

AI Score

6.1

Confidence

High

EPSS

0.001

Percentile

42.6%

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.

CVSS3

7.1

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

AI Score

6.1

Confidence

High

EPSS

0.001

Percentile

42.6%