CVE-2023-2422 is a high-severity flaw in Keycloak, Red Hat Enterprise Linux, OpenShift Container Platform, and Single Sign-On. When Keycloak is configured for mTLS authentication, it fails to properly validate client certificate chains, allowing an authenticated client to impersonate other clients and access their data. The vulnerability has a CVSS score of 7.1, indicating a high risk. It can be exploited remotely with low attack complexity and low privileges, leading to high confidentiality impact and low integrity impact. Currently, there is no evidence of active exploitation, nor is there publicly available exploit code in Metasploit, Nuclei, or ExploitDB. The CVE has also received minimal community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:* | ||
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:*:*:*:*:*:*:* | ||
4.11CPE matchmatch criteria | cpe:2.3:a:redhat:openshift_container_platform:4.11:*:*:*:*:*:*:* | ||
4.12CPE matchmatch criteria | cpe:2.3:a:redhat:openshift_container_platform:4.12:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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.