CVE-2019-1894 Cisco Enterprise NFV Infrastructure Software Arbitrary File Read and Write Vulnerability

High 7.2 Published 6 Jul 2019 Updated 20 Nov 2024

Authenticated administrators can read or overwrite arbitrary files on the underlying OS of Cisco NFVIS devices due to improper input validation.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-1894?

CVE-2019-1894 is a high-severity path traversal vulnerability in Cisco Enterprise NFV Infrastructure Software, published on 6 Jul 2019. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability in Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, remote attacker with administrator privileges to overwrite or read arbitrary files on the underlying operating system (OS) of an affected device. The vulnerability is due to improper input validation in NFVIS filesystem commands. An attacker could exploit this vulnerability by using crafted variables during the execution of an affected command. A successful exploit could allow the attacker to overwrite or read arbitrary files on the underlying OS.

Weakness: CWE-20

Which versions are affected by CVE-2019-1894?

It affects 1 product.

Products include Cisco Enterprise Nfv Infrastructure Software.

How do I fix CVE-2019-1894?

No fix has been published for CVE-2019-1894 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2019-1894 being exploited?

There is no known exploitation of CVE-2019-1894 in the wild and no public exploit code.

Sources

Also known as GHSA-5x6v-ccmr-rp83.