CVE-2020-3539 Cisco Data Center Network Manager Authorization Bypass Vulnerability

Medium 6.3 Published Updated

Low-privileged attackers can view, modify, and delete administrative templates in Cisco DCNM due to missing authorization checks.

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-2020-3539?

CVE-2020-3539 is a medium-severity missing authorization vulnerability in Cisco Data Center Network Manager, published on 18 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 Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to view, modify, and delete data without proper authorization. The vulnerability is due to a failure to limit access to resources that are intended for users with Administrator privileges. An attacker could exploit this vulnerability by convincing a user to click a malicious URL. A successful exploit could allow a low-privileged attacker to list, view, create, edit, and delete templates in the same manner as a user with Administrator privileges.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Weakness: CWE-285

Which versions are affected by CVE-2020-3539?

It affects 1 product.

Products include Cisco Prime Data Center Network Manager.

How do I fix CVE-2020-3539?

No fix has been published for CVE-2020-3539 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-2020-3539 being exploited?

There is no known exploitation of CVE-2020-3539 in the wild and no public exploit code.

Sources

Also known as GHSA-x9cp-m9m5-f8xr.

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