Is CVE-2021-45553 in the CISA KEV catalog?

No. CVE-2021-45553 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-45553?

CVE-2021-45553 has a CVSS v3 base score of 8.7 (HIGH).

What is the EPSS score for CVE-2021-45553?

CVE-2021-45553 has an EPSS score of 0.97% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-45553?

Upgrade r6900p firmware to 1.3.2.126 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-45553

HIGH

8.7

CVSS v3

NVD

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7000 before 1.0.11.126, R6900P before 1.3.2.126, and R7000P before 1.3.2.126.

CWE-77Command Injection

How to fix

Remediation Available

r6900p firmwareNVD

Affected:< 1.3.2.126Fixed in:1.3.2.126CVE-2021-45553derived from NVD

r7000 firmwareNVD

Affected:< 1.0.11.126Fixed in:1.0.11.126CVE-2021-45553derived from NVD

r7000p firmwareNVD

Affected:< 1.3.2.126Fixed in:1.3.2.126CVE-2021-45553derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

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

Exploit Intelligence

0.97%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Patch1

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

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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.