1. Home
  2. CVE Database
  3. CVE-2023-6291
HIGH · 7.1

CVE-2023-6291

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, ma...

Vulnerability 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 Score

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
RedhatKeycloak< 22.0.7
RedhatSingle Sign-On-
RedhatOpenshift Container Platform4.11
RedhatOpenshift Container Platform For Ibm Z4.9
RedhatOpenshift Container Platform For Linuxone4.9
RedhatOpenshift Container Platform For Power4.9
RedhatEnterprise Linux8.0
RedhatMigration Toolkit For Applications6.0

Related Weaknesses (CWE)

CWE-601

References

FAQ

What is CVE-2023-6291?

CVE-2023-6291 is a vulnerability with a CVSS score of 7.1 (HIGH). 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, ma...

How severe is CVE-2023-6291?

CVE-2023-6291 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-6291?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Keycloak, Redhat Single Sign-On, Redhat Openshift Container Platform, Redhat Openshift Container Platform For Ibm Z, Redhat Openshift Container Platform For Linuxone.