CVE-2021-38463

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

0.79% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 55.8% of scored records. A rank, not a probability.

NVD base score

8.1 (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:N/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

2021-10-22 11:23Z5 YR AGO

Last updated

2024-09-17 03:38Z2 YR AGO

Reserved

2021-08-10

Assigning CNA

icscert

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

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

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass
• CWE-770Allocation of Resources Without Limits or ThrottlingBase

Data version

5.1

Document digest

adf866151ca1eb1d40a19ff4a55c1170f1d9e2d22652ab0122e78fb2940d03c9

• us-cert.cisa.govhttps://us-cert.cisa.gov/ics/advisories/icsa-21-292-01x_refsource_CONFIRM