CVE-2019-20049: Al-Enterprise Omnivista 4760

Critical severity, CVSS 9.8. EPSS: 12.8% chance of exploitation in the next 30 days.

An issue was discovered on Alcatel-Lucent OmniVista 4760 devices. A remote unauthenticated attacker can chain a directory traversal (which helps to bypass authentication) with an insecure file upload to achieve Remote Code Execution as SYSTEM. The directory traversal is in the __construct() whereas the insecure file upload is in SetSkinImages().

Affected products

• Al-Enterprise Omnivista 4760: any version

Published 2019-12-27. Last modified 2026-06-17.