CVE-2023-6291
HIGH severity · CVSS 7.1 · CWE-601
7.1CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactLow
Integrity impactLow
Availability impactLow
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Affected products we track (3)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://access.redhat.com/errata/RHSA-2023:7854Advisory
- https://access.redhat.com/errata/RHSA-2023:7855Advisory
- https://access.redhat.com/errata/RHSA-2023:7856Advisory
- https://access.redhat.com/errata/RHSA-2023:7857Advisory
- https://access.redhat.com/errata/RHSA-2023:7858Advisory
- https://access.redhat.com/errata/RHSA-2023:7860Advisory
- https://access.redhat.com/errata/RHSA-2023:7861Advisory
- https://access.redhat.com/errata/RHSA-2024:0798