CVE-2021-4178

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

0.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 25.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/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

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

2022-08-24 15:02Z4 YR AGO

Last updated

2024-08-03 17:16Z2 YR AGO

Reserved

2021-12-27

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-502Deserialization of Untrusted DataBase

Data version

5.1

Document digest

386eb5d805e01e6c6ea4ed4136fa451ecffcc1054237a804900639371ce5205c

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2034388x_refsource_MISC
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2021-4178x_refsource_MISC
• github.comhttps://github.com/advisories/GHSA-98g7-rxmf-rrxmx_refsource_MISC
• github.comhttps://github.com/fabric8io/kubernetes-client/issues/3653x_refsource_MISC