Cyber Resilience

CVE-2021-45647

Medium

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0027 50.8th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45647 is a medium-severity Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) vulnerability in Netgear Eax80 Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 49.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Certain NETGEAR devices are affected by disclosure of sensitive information. This affects EAX80 before 1.0.1.62, EX7000 before 1.0.1.104, R6120 before 1.0.0.76, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.78, R6850 before 1.1.0.78, R6350 before 1.1.0.78, R6330 before 1.1.0.78, R6800…

more

before 1.2.0.76, R6900v2 before 1.2.0.76, R6700v2 before 1.2.0.76, R7000 before 1.0.11.116, R6900P before 1.3.3.140, R7000P before 1.3.3.140, R7200 before 1.2.0.76, R7350 before 1.2.0.76, R7400 before 1.2.0.76, R7450 before 1.2.0.76, AC2100 before 1.2.0.76, AC2400 before 1.2.0.76, AC2600 before 1.2.0.76, R7900 before 1.0.4.38, R7960P before 1.4.1.66, R8000 before 1.0.4.68, R7900P before 1.4.1.66, R8000P before 1.4.1.66, RAX15 before 1.0.2.82, RAX20 before 1.0.2.82, RAX200 before 1.0.3.106, RAX45 before 1.0.2.72, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, and RAX80 before 1.0.3.106.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

netgear
eax80 firmware
≤ 1.0.1.62
netgear
ex7000 firmware
≤ 1.0.1.104
netgear
r6120 firmware
≤ 1.0.0.76
netgear
r6220 firmware
1.1.0.110
netgear
r6230 firmware
≤ 1.1.0.110
netgear
r6260 firmware
≤ 1.1.0.78
netgear
r6850 firmware
≤ 1.1.0.78
netgear
r6350 firmware
≤ 1.1.0.78
netgear
r6330 firmware
≤ 1.1.0.78
netgear
r6800 firmware
≤ 1.2.0.76
+24 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-200

Automated marking applies security attributes to system outputs, making it harder for attackers to exploit unmarked sensitive information leading to unauthorized exposure.

addresses: CWE-200

Proper attribute retention and permitted-value enforcement limits unauthorized actors from accessing sensitive information lacking correct labels.

addresses: CWE-200

Prevents unauthorized exposure of sensitive information by prohibiting untrusted external systems from processing or storing it.

addresses: CWE-200

By enforcing authorization matching prior to sharing, the control reduces the risk of exposing sensitive information to unauthorized actors.

addresses: CWE-200

Review and removal of nonpublic information from publicly accessible systems directly prevents exposure of sensitive data to unauthorized actors.

addresses: CWE-200

Data mining protection mechanisms detect and block unauthorized bulk extraction of sensitive data, directly mitigating exposure to unauthorized actors.

addresses: CWE-200

Literacy training teaches users to recognize and avoid actions that result in unauthorized exposure of sensitive information.

addresses: CWE-200

Retaining and monitoring training records confirms personnel have completed privacy and security awareness training on handling sensitive data, reducing the chance of unauthorized exposure due to lack of knowledge.

References