CVE-2021-38398

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

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 36.4% 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:P/AC:L/PR:N/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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2021-10-04 17:35Z5 YR AGO

Last updated

2024-09-16 17:58Z2 YR AGO

Reserved

2021-08-10

Assigning CNA

icscert

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-1329Reliance on Component That is Not UpdateableBase

Data version

5.1

Document digest

5ddd7c90914ba8c4514b4c9896cf74da371d12aa36c138bf7503b086aab702f9

• us-cert.cisa.govhttps://us-cert.cisa.gov/ics/advisories/icsma-21-273-01x_refsource_MISC