What is the CVSS score of CVE-2019-3914?

CVE-2019-3914 has a CVSS 3.0 base score of 7.2 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 29.9%.

Is there a public PoC exploit available for CVE-2019-3914?

Yes, a public proof-of-concept exploit is available for CVE-2019-3914. Prioritise patching immediately. EPSS: 29.9%.

Verizon CVE-2019-3914

HIGH

OS Command Injection (CWE-78)

2019-04-11 vulnreport@tenable.com

Command Injection Verizon Fios Quantum Gateway G1100 Firmware

7.2

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.2 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 11, 2019 - 14:29 nvd

HIGH 7.2

DescriptionNVD

Remote command injection vulnerability in Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 allows a remote, authenticated attacker to execute arbitrary commands on the target device by adding an access control rule for a network object with a crafted hostname.

AnalysisAI

Remote command injection vulnerability in Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 allows a remote, authenticated attacker to execute arbitrary commands on the target device. Rated high severity (CVSS 7.2), 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. Remote command injection vulnerability in Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 allows a remote, authenticated attacker to execute arbitrary commands on the target device by adding an access control rule for a network object with a crafted hostname. Affected products include: Verizon Fios Quantum Gateway G1100 Firmware. Version information: version 02.01.00.05.

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.