Improper Certificate Validation in CloudLink Phone 7900 - CVE-2019-5280
Published: July 29, 2019 / Updated: July 29, 2019
Vulnerability identifier: #VU19551
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-5280
CWE-ID: CWE-295
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause affected phones registered abnormally.
The vulnerability exists due to the insufficient verification of specific parameters of the TLS server certificate. A remote attacker can perform man-in-the-middle attacks. This leads to the affected phones registered abnormally, affects the availability of IP phones.
Affected software
CloudLink Phone 7900
How to mitigate CVE-2019-5280
Install updates from vendor's website.
CloudLink Phone 7900 - update to V600R019C10SPC200