CVE-2019-20049
9.8
CRITICAL · CVSS 3.1 · EPSS 12.8% (pctl 96)
Patch early
EPSS 12.8% — above the 10% action threshold.
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().
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 12.81% — more likely to be exploited than 96% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2019-12-27 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| al-enterprise | omnivista 4760 |
References
- https://git.lsd.cat/g/omnivista-rce
- https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Execution.html
- https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-vulnerability-en.pdf
- https://www.exploit-db.com/exploits/47761
- https://git.lsd.cat/g/omnivista-rce
- https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Execution.html
- https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-vulnerability-en.pdf
- https://www.exploit-db.com/exploits/47761
→ the Explorer · watch your stack · NVD