THREATPORT/VULNERABILITY/CVE-2019-20049
CRITICAL SEVERITY

CVE-2019-20049

Omnivista 4760 vulnerability

CVSS
9.8
EPSS
12.8%
EPSS pct
96th
Exploited
No known
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().
Affected vendor
Al Enterprise
Affected product
Omnivista 4760
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-12-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 12.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2019-20049

  • Confirm whether Al Enterprise Omnivista 4760 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-20049.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-20049

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-20049 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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