CVE-2019-20049

CRITICAL

Alcatel-Lucent OmniVista 4760 - Unauthenticated Remote Code Execution via Directory Traversal and Insecure File Upload

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-20049. PoCs published by 0x1911.

AI-analyzed exploit summary This exploit targets Alcatel-Lucent OmniVista 8770 and 4760 for remote code execution by uploading a PHP webshell via theme manipulation. It also includes LDAP password extraction and modification for authentication bypass.

Description

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().

Exploits (1)

exploitdb WORKING POC
by 0x1911 · pythonwebappsphp
https://www.exploit-db.com/exploits/47761

This exploit targets Alcatel-Lucent OmniVista 8770 and 4760 for remote code execution by uploading a PHP webshell via theme manipulation. It also includes LDAP password extraction and modification for authentication bypass.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Alcatel-Lucent OmniVista 8770/4760 (all versions, unpatched)
No auth needed
Prerequisites: Network access to the target · LDAP service accessible on port 389 (for 8770) · PHP-based web interface exposed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory x_refsource_misc
https://git.lsd.cat/g/omnivista-rce
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/47761

Scores

CVSS v3 9.8
EPSS 0.1280
EPSS Percentile 95.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (1)
al-enterprise/omnivista_4760
Published Dec 27, 2019
Tracked Since Feb 18, 2026