CVE-2021-4148

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

0.31% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 23.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2022-03-23 19:46Z4 YR AGO

Last updated

2024-08-03 17:16Z2 YR AGO

Reserved

2021-12-21

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-354Improper Validation of Integrity Check ValueBase

Data version

5.1

Document digest

628d960c1190a71c0a3b1622328a3988f990b0dd78a7d66da2f3e697e6866974

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2026487x_refsource_MISC
• lkml.orghttps://lkml.org/lkml/2021/9/12/323x_refsource_MISC
• lkml.orghttps://lkml.org/lkml/2021/9/17/1037x_refsource_MISC