CVE-2023-0264
Keycloak vulnerable to user impersonation via stolen UUID code
8.7
HIGH
CVSS 3.1
EPSS 2.9%
Description
Keycloak's OpenID Connect user authentication was found to incorrectly authenticate requests. An authenticated attacker who could also obtain a certain piece of info from a user request, from a victim within the same realm, could use that data to impersonate the victim and generate new session tokens.
How to fix CVE-2023-0264
To remediate CVE-2023-0264, upgrade the affected package to a fixed version below.
- —upgrade to 21.0.1 or later
Is CVE-2023-0264 being exploited?
Low — EPSS is 2.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 21.0.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N |