CVE-2019-1973 Cisco Enterprise NFV Infrastructure Software Cross-site Scripting Vulnerability

Medium 4.8 Published 8 Aug 2019 Updated 21 Nov 2024

An authenticated attacker can inject malicious scripts into log files, leading to XSS attacks against users viewing the web interface.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-1973?

CVE-2019-1973 is a medium-severity cross-site scripting vulnerability in Cisco Enterprise NFV Infrastructure Software, published on 8 Aug 2019. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A vulnerability in the web portal framework of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based interface. The vulnerability is due to improper input validation of log file content stored on the affected device. An attacker could exploit this vulnerability by modifying a log file with malicious code and getting a user to view the modified log file. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or to access sensitive, browser-based information.

Weakness: CWE-79

Which versions are affected by CVE-2019-1973?

It affects 1 product.

Products include Cisco Enterprise Nfv Infrastructure Software.

How do I fix CVE-2019-1973?

No fix has been published for CVE-2019-1973 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-1973 being exploited?

There is no known exploitation of CVE-2019-1973 in the wild and no public exploit code.

Sources

Also known as GHSA-m7m6-q46f-vpq3.