CVE-2021-4133

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 69.5% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-01-25 19:11Z4 YR AGO

Last updated

2024-08-03 17:16Z2 YR AGO

Reserved

2021-12-17

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-863Incorrect AuthorizationClass

Data version

5.1

Document digest

dc48a86e0cb7696de1251e8303fdfe9833da6fce8235d222e2801707d3e628ab

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2033602x_refsource_MISC
• github.comhttps://github.com/keycloak/keycloak/issues/9247x_refsource_MISC
• github.comhttps://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487x_refsource_MISC
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlx_refsource_MISC