CVE-2021-3827

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

1.09% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 62.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Moderate. 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

2022-08-23 15:52Z4 YR AGO

Last updated

2024-08-03 17:09Z2 YR AGO

Reserved

2021-09-24

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

208a697512b8caf2563839b208afbdc9c8b30f70440aa57cf76f2c5cb9bd56fa

• github.comhttps://github.com/keycloak/keycloak/security/advisories/GHSA-4pc7-vqv5-5r3vx_refsource_MISC
• github.comhttps://github.com/keycloak/keycloak/commit/44000caaf5051d7f218d1ad79573bd3d175cad0dx_refsource_MISC
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2007512x_refsource_MISC
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2021-3827x_refsource_MISC