Small Space of Random Values in eufyCam 2 - CVE-2021-21955
Published: November 30, 2021
Vulnerability identifier: #VU58448
CSH Severity: Medium
CVSS v4: 8.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21955
CWE-ID:
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication on the target system.
The vulnerability exists due to improper authentication in the "get_aes_key_info_by_packetid()" function of the home_security binary. A remote attacker can recovery the password and bypass authentication.
Affected software
eufyCam 2
How to mitigate CVE-2021-21955
Install updates from vendor's website.