Vulnerability in Al-Enterprise Omnivista 4760
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().
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.128 (96.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.128 · newest: 0.128 · change: 0.000
Affected products
Public proof-of-concept exploits
References
- git.lsd.cat/g/omnivista-rce (Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/47761 (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-… (Exploit, VDB Entry, Third Party Advisory)
- www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-… (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-20049?
- CVE-2019-20049 is a critical-severity vulnerability in Al-Enterprise Omnivista 4760. CVSS score: 9.8/10. Published 2019-12-27.
- How severe is CVE-2019-20049?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-20049 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.