Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-21940

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
12/10/2021
Last modified:
29/07/2022

Description

A heap-based buffer overflow vulnerability exists in the pushMuxer processRtspInfo functionality of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted network packet can lead to a heap buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 10.00 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

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

Base Score 3.x
10.00
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:anker:eufy_homebase_2_firmware:2.1.6.9h:*:*:*:*:*:*:*
cpe:2.3:h:anker:eufy_homebase_2:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools