Is CVE-2019-1971 actively exploited?

No active exploitation of CVE-2019-1971 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-1971 be exploited remotely?

Yes. CVE-2019-1971 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-1971?

CVE-2019-1971 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2019-1971

CRITICAL

CVE-2019-1971

CWE-78Published: August 8, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability in the web portal of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an unauthenticated, remote attacker to perform a command injection attack and execute arbitrary commands with root privileges. The vulnerability is due to insufficient input validation by the web portal framework. An attacker could exploit this vulnerability by providing malicious input during web portal authentication. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the underlying operating system.

NVD Source

Technical Analysis

CVE-2019-1971 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.