CVE-2021-45676

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

Ranks above 38.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/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 00:23Z4 YR AGO

Last updated

2024-08-04 04:47Z2 YR AGO

Reserved

2021-12-25

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

971f7c13972aa3b7b1907a723d2e4d436dfe124fda7b831eed65c74bce20808f

• kb.netgear.comhttps://kb.netgear.com/000064462/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2020-0161x_refsource_MISC