CVE-2021-4031

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

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 40.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2022-03-18 17:59Z4 YR AGO

Last updated

2024-09-16 20:11Z2 YR AGO

Reserved

2021-11-29

Assigning CNA

INCIBE

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-345Insufficient Verification of Data AuthenticityClass

Data version

5.1

Document digest

3012d33e3c0e0a7c798a960b7a3b360ac8692df6e1e4b54ff7e0869d6a742267

• www.incibe-cert.eshttps://www.incibe-cert.es/en/early-warning/security-advisories/syltek-insufficient-verification-data-authenticityx_refsource_CONFIRM