CVE-2023-0264

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.

Category

5.0
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 3.40% Top 15%
Vendor Advisory redhat.com
Affected: redhat.com Keycloak
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2023-0264 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-0264?
CVE-2023-0264 has been scored as a medium severity vulnerability.
How to fix CVE-2023-0264?
To fix CVE-2023-0264, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-0264 being actively exploited in the wild?
It is possible that CVE-2023-0264 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-0264?
CVE-2023-0264 affects redhat.com Keycloak.
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