Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Al-Enterprise | Omnivista 4760 | All versions |
References
- https://git.lsd.cat/g/omnivista-rceExploitThird Party Advisory
- https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-RemotExploitThird Party AdvisoryVDB Entry
- https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov87Vendor Advisory
- https://www.exploit-db.com/exploits/47761ExploitThird Party AdvisoryVDB Entry
- https://git.lsd.cat/g/omnivista-rceExploitThird Party Advisory
- https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-RemotExploitThird Party AdvisoryVDB Entry
- https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov87Vendor Advisory
- https://www.exploit-db.com/exploits/47761ExploitThird Party AdvisoryVDB Entry
FAQ
What is CVE-2019-20049?
CVE-2019-20049 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2019-20049?
CVE-2019-20049 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-20049?
Check the references section above for vendor advisories and patch information. Affected products include: Al-Enterprise Omnivista 4760.