CVE-2019-20049

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 v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

12.80% chance of exploitation in the next 30 days, 96th percentile

Published

2019-12-27

Updated

2024-08-05

Proof-of-concept exploits (2)

• https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Ex…
• https://www.exploit-db.com/exploits/47761

References

• CVE Record
• NVD entry

Related

• CVE-2019-20048
• CVE-2019-20051
• CVE-2019-20047
• CVE-2019-20052
• CVE-2019-20043
• CVE-2019-20053