What is the CVSS score of CVE-2019-3919?

CVE-2019-3919 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.9%.

Is there a public PoC exploit available for CVE-2019-3919?

Yes, a public proof-of-concept exploit is available for CVE-2019-3919. Prioritise patching immediately. EPSS: 3.9%.

I 240W Q Gpon Ont Firmware CVE-2019-3919

HIGH

OS Command Injection (CWE-78)

2019-03-05 vulnreport@tenable.com

Command Injection I 240W Q Gpon Ont Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 05, 2019 - 21:29 nvd

HIGH 8.8

DescriptionNVD

AnalysisAI

The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to command injection via crafted HTTP request sent by a remote, authenticated attacker to. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to command injection via crafted HTTP request sent by a remote, authenticated attacker to /GponForm/usb_restore_Form?script/. Affected products include: Nokia I-240W-Q Gpon Ont Firmware. Version information: version 3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.