CVE-2019-20049

Public Exploit

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().

9.8

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 29.44% Top 5%

Vendor Advisory al-enterprise.com

Affected: n/a n/a

References

Link	Tags
https://git.lsd.cat/g/omnivista-rce	third party advisory exploit
https://www.exploit-db.com/exploits/47761	exploit vdb entry third party advisory
https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Execution.html	exploit vdb entry third party advisory
https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-vulnerability-en.pdf	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-20049?: CVE-2019-20049 has been scored as a critical severity vulnerability.
How to fix CVE-2019-20049?: To fix CVE-2019-20049, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-20049 being actively exploited in the wild?: It is possible that CVE-2019-20049 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~29% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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