Vulnerability record · CVE-2019-20049 · published 27 December 2019
CVE-2019-20049: Al-enterprise omnivista 4760 vulnerability
Al Enterprise · Omnivista 4760
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().
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().
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://git.lsd.cat/g/omnivista-rce | ExploitThird Party Advisory |
| https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Execution.html | ExploitThird Party AdvisoryVDB Entry |
| https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-vulnerability-en.pdf | Vendor Advisory |
| https://www.exploit-db.com/exploits/47761 | ExploitThird Party AdvisoryVDB Entry |
| https://git.lsd.cat/g/omnivista-rce | ExploitThird Party Advisory |
| https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Execution.html | ExploitThird Party AdvisoryVDB Entry |
| https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-vulnerability-en.pdf | Vendor Advisory |
| https://www.exploit-db.com/exploits/47761 | ExploitThird Party AdvisoryVDB Entry |
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Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2019-20049), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
