CVE-2021-44158

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

0.68% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 49.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2022-01-03 10:10Z4 YR AGO

Last updated

2024-09-16 16:52Z1 YR AGO

Reserved

2021-11-23

Assigning CNA

twcert

Record state

PUBLISHED

Severity

High (CVSS 8.0)

CNA CVSS vector

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

Weaknesses

• CWE-121Stack-based Buffer OverflowVariant
• CWE-1284Improper Validation of Specified Quantity in InputBase

Data version

5.1

Document digest

17f01f9606b7022dee390f69e1ad94c20fb53dc7101c9406fea8bd0b7dc2bd6d

• www.twcert.org.twhttps://www.twcert.org.tw/tw/cp-132-5431-d23be-1.htmlx_refsource_MISC