CVE-2021-45643

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

0.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:A/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

2021-12-26 00:30Z4 YR AGO

Last updated

2024-08-04 04:47Z2 YR AGO

Reserved

2021-12-25

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.1

Document digest

4a0d5cff0cca93ba8a957a068fe563fc4bcf85a313a915d9a6caaf35e31cdf08

• kb.netgear.comhttps://kb.netgear.com/000064159/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-PSV-2021-0035x_refsource_MISC