Vulnerability Details : 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().
Vulnerability category: Directory traversalExecute code
Products affected by CVE-2019-20049
- cpe:2.3:a:al-enterprise:omnivista_4760:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-20049
10.69%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-20049
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
References for CVE-2019-20049
-
https://www.exploit-db.com/exploits/47761
Alcatel-Lucent Omnivista 8770 - Remote Code Execution - PHP webapps ExploitExploit;Third Party Advisory;VDB Entry
-
https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Execution.html
Alcatel-Lucent Omnivista 8770 Remote Code Execution ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://git.lsd.cat/g/omnivista-rce
g/omnivista-rce: Alcatel-Lucent 4760/8770 0day exploit CVE-2019-20049 CVE-2019-20047 CVE-2019-20048 - GogsExploit;Third Party Advisory
-
https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-vulnerability-en.pdf
Vendor Advisory
Jump to