Vulnerability · Published Jan 11, 2023 · Assigned by redhat
CVE-2023-0091
Low 3.8
In plain English
A low-severity incorrect authorization in Keycloak from redhat.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.8Low
Exploit odds (30 days)0.5%top 58.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A flaw was found in Keycloak, where it did not properly check client tokens for possible revocation in its client credential flow. This flaw allows an attacker to access or modify potentially sensitive information.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.keycloak:keycloak-core | 20.0.3 | GHSA-v436-q368-hvgg |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| redhat.com | Keycloak | see references |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N