CVE-2021-1491 Cisco SD-WAN vManage Software Information Disclosure Vulnerability

Medium 6.5 Published 15 Nov 2024 Updated 15 Nov 2024

An authenticated attacker can read arbitrary files on the underlying operating system via the web management interface.

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-2021-1491?

CVE-2021-1491 is a medium-severity path traversal vulnerability in Cisco Catalyst Sd-Wan Manager, published on 15 Nov 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying file system of the device. This vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the file system and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the file system of the underlying operating system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Weakness: CWE-59

Which versions are affected by CVE-2021-1491?

It affects 1 product.

Products include Cisco Catalyst Sd-Wan Manager.

How do I fix CVE-2021-1491?

No fix has been published for CVE-2021-1491 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-2021-1491 being exploited?

There is no known exploitation of CVE-2021-1491 in the wild and no public exploit code.

All Cisco Catalyst Sd-Wan Manager vulnerabilities

Sources

Also known as GHSA-4fp3-wrmc-3g2x.