CVE-2020-3520 Cisco Data Center Network Manager Information Disclosure Vulnerability

Medium 5.5 Published 26 Aug 2020 Updated 13 Nov 2024

An authenticated local attacker can access local filesystems to extract sensitive data, potentially leading to privilege escalation in Cisco DCNM.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-3520?

CVE-2020-3520 is a medium-severity vulnerability in Cisco Data Center Network Manager, published on 26 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, local attacker to obtain confidential information from an affected device. The vulnerability is due to insufficient protection of confidential information on an affected device. An attacker at any privilege level could exploit this vulnerability by accessing local filesystems and extracting sensitive information from them. A successful exploit could allow the attacker to view sensitive data, which they could use to elevate their privilege.

Weakness: CWE-200

Which versions are affected by CVE-2020-3520?

It affects 1 product.

Products include Cisco Data Center Network Manager.

How do I fix CVE-2020-3520?

No fix has been published for CVE-2020-3520 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-3520 being exploited?

There is no known exploitation of CVE-2020-3520 in the wild and no public exploit code.

All Cisco Data Center Network Manager vulnerabilities

Sources

Also known as GHSA-m5rm-68hm-f8wh.