High severity · published Jan 26, 2024
CVE-2023-6291
A flaw was found in the redirect_uri validation logic in Keycloak
7.1
CVSS
1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keycloak · Redhat
before 22.0.7 · source: NVD
OC
SS
Single Sign-on · Redhat
7.6 · source: NVD
Affected product
KE
Keycloak
Redhat
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