CVE & CISA-KEV Catalog

CVE-2021-45593

HIGH
8.4
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.2.102, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBR50 before 2.7.2.102, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.2.102.

CWE-77Command Injection

How to fix

Remediation Available
rbk20 firmwareNVD
Affected:< 2.7.3.22Fixed in:2.7.3.22CVE-2021-45593derived from NVD
rbk40 firmwareNVD
Affected:< 2.7.3.22Fixed in:2.7.3.22CVE-2021-45593derived from NVD
rbk50 firmwareNVD
Affected:< 2.7.2.102Fixed in:2.7.2.102CVE-2021-45593derived from NVD
rbr20 firmwareNVD
Affected:< 2.7.3.22Fixed in:2.7.3.22CVE-2021-45593derived from NVD
rbr40 firmwareNVD
Affected:< 2.7.3.22Fixed in:2.7.3.22CVE-2021-45593derived from NVD
rbr50 firmwareNVD
Affected:< 2.7.2.102Fixed in:2.7.2.102CVE-2021-45593derived from NVD
rbs20 firmwareNVD
Affected:< 2.7.3.22Fixed in:2.7.3.22CVE-2021-45593derived from NVD
rbs40 firmwareNVD
Affected:< 2.7.3.22Fixed in:2.7.3.22CVE-2021-45593derived 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 VectorAdjacent
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.78%probability of exploitation in 30 days
51stpercentile

Moderate risk: more likely to be exploited than 51% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

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

CVESeverityCVSSEPSSExploitedFix
CVE-2024-3400Critical10.0100%KEV + Ransom-
CVE-2024-21887Critical9.1100%KEV + Ransom-
CVE-2023-1671Critical9.8100%KEVFix
CVE-2023-1389High8.8100%KEVFix
CVE-2021-1498Critical9.8100%KEVFix
CVE-2012-1823Critical9.8100%KEVFix
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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.