LiveActive security incident?Get immediate response
CVE Record

CVE-2019-20048: An issue was discovered on Alcatel-Lucent OmniVista 8770 devices before 4.1.2.

An issue was discovered on Alcatel-Lucent OmniVista 8770 devices before 4.1.2. An authenticated remote attacker, with elevated privileges in the Web Directory component on port 389, may upload a PHP file to achieve Remote Code Execution as SYSTEM.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2019-20048 lets a privileged authenticated remote user upload a PHP file through the OmniVista 8770 Web Directory component and gain code execution as SYSTEM. The main risk is compromise of a telecom management platform, but the attacker must already have elevated access.

Executive priority

Prioritize remediation for any exposed or business-critical OmniVista 8770 deployment. Although exploitation requires elevated authenticated access, successful compromise would provide SYSTEM-level control of a sensitive management platform.

Technical view

Affected Alcatel-Lucent OmniVista 8770 versions before 4.1.2 expose a Web Directory upload path on port 389 that can lead to remote code execution as SYSTEM. Public exploit references exist, but the CVE record does not provide CVSS, CWE, or evidence of active exploitation.

Likely exposure

Exposure is likely limited to organizations running OmniVista 8770 before 4.1.2 with the Web Directory component reachable and privileged credentials compromised or misused.

Exploitation context

The sources show public exploit writeups and code references, but CISA KEV is false and no provided source confirms active exploitation in the wild.

Researcher notes

Key constraints are authentication and elevated privilege. The provided record lacks CVSS, CWE, and detailed vendor remediation text beyond the affected version boundary, so validation should focus on version, reachability, privilege paths, and vendor advisory confirmation.

Mitigation direction

  • Upgrade OmniVista 8770 to version 4.1.2 or later.
  • Review the ALE vendor advisory for exact supported remediation guidance.
  • Restrict access to port 389 and management interfaces to trusted administration networks.
  • Audit elevated OmniVista accounts and remove unnecessary privileges.
  • Monitor for unexpected PHP files or web process execution activity.

Validation and detection

  • Inventory OmniVista 8770 deployments and confirm installed versions.
  • Verify whether the Web Directory component is enabled and reachable on port 389.
  • Check management interface exposure from untrusted networks.
  • Review privileged account use around the suspected exposure window.
  • Inspect system logs for suspicious upload or SYSTEM-level execution indicators.
Prepared
Confidence
medium
Sources
6

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2019-20048 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.