CVE-2023-6563 is an unconstrained memory consumption vulnerability in Keycloak, affecting Red Hat Keycloak, Enterprise Linux, and OpenShift Container Platform. An authenticated attacker can trigger excessive memory and CPU consumption by accessing the "consents" tab in the admin UI, potentially crashing the system in environments with numerous offline tokens. With a CVSS score of 7.7 (High), this vulnerability has a network attack vector, low attack complexity, and high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 21.0.0CPE matchmatch criteria | cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* | ||
7.6CPE matchmatch criteria | cpe:2.3:a:redhat:single_sign-on:7.6:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:* | ||
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:L/UI:N/S:C/C:N/I:N/A:H
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.