CVE-2020-3519 Cisco Data Center Network Manager Path Traversal Vulnerability

Medium 5.4 Published 26 Aug 2020 Updated 13 Nov 2024

Authenticated attackers can overwrite arbitrary files on Cisco Data Center Network Manager via path traversal in a REST API.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-3519?

CVE-2020-3519 is a medium-severity path traversal vulnerability in Cisco Data Center Network Manager, published on 26 Aug 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in a specific REST API method of Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, remote attacker to conduct a path traversal attack on an affected device. The vulnerability is due to insufficient validation of user-supplied input to the API. An attacker could exploit this vulnerability by sending a crafted request to the API. A successful exploit could allow the attacker to overwrite arbitrary files on the affected device.

Weakness: CWE-20

Which versions are affected by CVE-2020-3519?

It affects 1 product.

Products include Cisco Data Center Network Manager.

How do I fix CVE-2020-3519?

No fix has been published for CVE-2020-3519 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-2020-3519 being exploited?

There is no known exploitation of CVE-2020-3519 in the wild and no public exploit code.

All Cisco Data Center Network Manager vulnerabilities

Sources

Also known as GHSA-pgmp-52m7-9hfg.