CVE Vulnerability

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().

10 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.lsd.cat/g/omnivista-rce Exploit Third Party Advisory
https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Execution.html Exploit Third Party Advisory
https://www.exploit-db.com/exploits/47761 Exploit Third Party Advisory
https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-vulnerability-en.pdf Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:al-enterprise:omnivista_4760:*:*:*:*:*:*:*:*
Information

Published : 2019-12-27 07:15

Updated : 2020-01-07 08:39

NVD link : CVE-2019-20049

Mitre link : CVE-2019-20049

Products Affected
No products.
CWE
NVD-CWE-Other