CVE-2020-3592 Cisco SD-WAN vManage Software Authorization Bypass Vulnerability

Medium 6.5 Published 6 Nov 2020 Updated 13 Nov 2024

Authenticated attackers can bypass authorization checks in Cisco SD-WAN vManage to gain elevated privileges and modify system configurations.

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-2020-3592?

CVE-2020-3592 is a medium-severity missing authorization vulnerability in Cisco Catalyst Sd-Wan Manager, published on 6 Nov 2020. 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 bypass authorization and modify the configuration of an affected system. The vulnerability is due to insufficient authorization checking on an affected system. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web-based management interface of an affected system. A successful exploit could allow the attacker to gain privileges beyond what would normally be authorized for their configured user authorization level. This could allow the attacker to modify the configuration of an affected system.

Weakness: CWE-863, CWE-284

Which versions are affected by CVE-2020-3592?

It affects 2 products.

Products include Cisco Catalyst Sd-Wan Manager, Cisco Sd-Wan Vmanage.

How do I fix CVE-2020-3592?

No fix has been published for CVE-2020-3592 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-3592 being exploited?

There is no known exploitation of CVE-2020-3592 in the wild and no public exploit code.

All Cisco Catalyst Sd-Wan Manager vulnerabilities

Sources

Also known as GHSA-rrfc-jxg2-mw47.