Is CVE-2021-45531 in the CISA KEV catalog?

No. CVE-2021-45531 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-45531?

CVE-2021-45531 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2021-45531?

CVE-2021-45531 has an EPSS score of 1.28% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-45531?

Upgrade d6220 firmware to 1.0.0.76 or later.

CVE & CISA-KEV Catalog

CVE-2021-45531

HIGH

7.1

CVSS v3

NVD

Description

NETGEAR D6220 devices before 1.0.0.76 are affected by command injection by an authenticated user.

CWE-77Command Injection

How to fix

Remediation Available

d6220 firmwareNVD

Affected:< 1.0.0.76Fixed in:1.0.0.76CVE-2021-45531derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

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

Exploit Intelligence

1.28%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Vendor Advisory1

kb.netgear.com

Related Vulnerabilities

Other CWE-77 (Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2024-21887	Critical	9.1	100%	KEV + Ransom	-
CVE-2023-1671	Critical	9.8	100%	KEV	Fix
CVE-2023-1389	High	8.8	100%	KEV	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2012-1823	Critical	9.8	100%	KEV	Fix

Embed a live status badge for CVE-2021-45531

Markdown

[![CVE-2021-45531](https://tridentstack.com/cve/badge/CVE-2021-45531.svg)](https://tridentstack.com/cve/CVE-2021-45531)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-45531"><img src="https://tridentstack.com/cve/badge/CVE-2021-45531.svg" alt="CVE-2021-45531"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.