CVE-2020-26077 Cisco IoT Field Network Director Improper Access Control Vulnerability

Medium 5.0 Published 18 Nov 2020 Updated 13 Nov 2024

An authenticated attacker can view user lists from different domains by manipulating API requests, exposing sensitive user data.

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-2020-26077?

CVE-2020-26077 is a medium-severity missing authorization vulnerability in Cisco IoT Field Network Director (IoT-FND), published on 18 Nov 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the access control functionality of Cisco IoT Field Network Director (FND) could allow an authenticated, remote attacker to view lists of users from different domains that are configured on an affected system. The vulnerability is due to improper access control. An attacker could exploit this vulnerability by sending an API request that alters the domain for a requested user list on an affected system. A successful exploit could allow the attacker to view lists of users from different domains on the affected system.

Weakness: CWE-269, CWE-284

Which versions are affected by CVE-2020-26077?

It affects 1 product.

Products include Cisco Iot Field Network Director.

How do I fix CVE-2020-26077?

No fix has been published for CVE-2020-26077 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-2020-26077 being exploited?

There is no known exploitation of CVE-2020-26077 in the wild and no public exploit code.

Sources

Also known as GHSA-7q2r-9q4w-229g.