CVE-2021-45515

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

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.7% 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:N/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

2021-12-26 01:00Z4 YR AGO

Last updated

2024-08-04 04:39Z2 YR AGO

Reserved

2021-12-25

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.1

Document digest

ff8b5a8ff60bb595f89120200bb40be37c3b044355666d9f8c8021f683f907e5

• kb.netgear.comhttps://kb.netgear.com/000064484/Security-Advisory-for-Denial-of-Service-on-Some-Extenders-and-WiFi-Systems-PSV-2020-0286x_refsource_MISC