CVE-2023-0264 is a medium-severity flaw in Keycloak's OpenID Connect user authentication, affecting Red Hat products including Keycloak, Enterprise Linux, and OpenShift Container Platform. An authenticated attacker could exploit this vulnerability by obtaining user request information within the same realm to impersonate a victim and generate new session tokens, impacting confidentiality, integrity, and availability. The attack requires high complexity and low privileges. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or KEV listing, though it has garnered some community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 18.0.6CPE matchmatch criteria | cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* | ||
< 7.6.2CPE matchmatch criteria | cpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:* | ||
4.9CPE matchmatch criteria | cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:* | ||
4.10CPE matchmatch criteria | cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:* | ||
4.9CPE matchmatch criteria | cpe:2.3:a:redhat:openshift_container_platform_for_ibm_linuxone:4.9:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.