CVE-2023-0264
Last modified
CVE-2023-0264 is a medium-severity vulnerability rated 5/10 on the CVSS scale. A flaw was found in Keycloaks OpenID Connect user authentication, which may incorrectly authenticate requests. An authenticated attacker who could obtain information from a user request within the same realm could use that data to impersonate the victim and generate new session tokens. EPSS estimates a 1.27% chance of exploitation in the next 30 days.
Description
A flaw was found in Keycloaks OpenID Connect user authentication, which may incorrectly authenticate requests. An authenticated attacker who could obtain information from a user request within the same realm could use that data to impersonate the victim and generate new session tokens. This issue could impact confidentiality, integrity, and availability.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Keycloak | < 18.0.6 |
| Redhat | Single Sign-On | < 7.6.2 |
| Redhat | Openshift Container Platform | 4.9 |
| Redhat | Openshift Container Platform | 4.10 |
| Redhat | Openshift Container Platform For Ibm Linuxone | 4.9 |
| Redhat | Openshift Container Platform For Ibm Linuxone | 4.10 |
| Redhat | Openshift Container Platform Ibm Z Systems | 4.9 |
| Redhat | Openshift Container Platform Ibm Z Systems | 4.10 |
| Redhat | Single Sign-On | All versions |
References
- https://access.redhat.com/security/cve/CVE-2023-0264Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-0264Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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