Vulnerability CVE-2021-45524

Vulnerability Name:

CVE-2021-45524 (CCN-210432)

Assigned:

2021-09-26

Published:

2021-09-26

Updated:

2022-01-04

Summary:

NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user.

CVSS v3 Severity:

9.1 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.6 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H)
6.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Adjacent Attack Complexity (AC): High Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

9.0 High (CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

6.5 Medium (CCN CVSS v2 Vector: AV:A/AC:H/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Adjacent_Network Access Complexity (AC): High Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-120

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2021-45524

Source: XF
Type: UNKNOWN
netgear-psv20200315-bo(210432)

Source: MISC
Type: Vendor Advisory
https://kb.netgear.com/000064123/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-R8000-PSV-2020-0315

Source: CCN
Type: NETGEAR Security Advisory: PSV-2020-0315
Security Advisory for Post-Authentication Buffer Overflow on R8000

Vulnerable Configuration:

Configuration 1:

cpe:/o:netgear:r8000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.62)

AND

cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

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