CVE Vulnerabilities

CVE-2021-21955

Small Space of Random Values

Published: Dec 09, 2021 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

An authentication bypass vulnerability exists in the get_aes_key_info_by_packetid() function of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h. Generic network sniffing can lead to password recovery. An attacker can sniff network traffic to trigger this vulnerability.

Weakness

The number of possible random values is smaller than needed by the product, making it more susceptible to brute force attacks.

Affected Software

Name Vendor Start Version End Version
Eufy_homebase_2_firmware Anker 2.1.6.9h (including) 2.1.6.9h (including)

Potential Mitigations

References