CRITICAL

CVE-2019-20049

CVSS v3

9.8

CRITICAL

EPSS Score

25.5%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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().

Technical details

Published
12/27/2019

Frequently asked questions

What is 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().

Is CVE-2019-20049 actively exploited?

Active exploitation of CVE-2019-20049 has not been confirmed. The EPSS score is 25.5%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-20049?

CVE-2019-20049 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-20049 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.