CVE-2021-1272 Cisco Data Center Network Manager Server-Side Request Forgery Vulnerability

High 8.8 Published Updated

Unauthenticated attackers can bypass access controls and perform SSRF attacks to gain unauthorized access to managed network devices via the DCNM web application.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-1272?

CVE-2021-1272 is a high-severity server-side request forgery vulnerability in Cisco Data Center Network Manager, published on 20 Jan 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability in the session validation feature of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass access controls and conduct a server-side request forgery (SSRF) attack on a targeted system. This vulnerability is due to insufficient validation of parameters in a specific HTTP request by an attacker. An attacker could exploit this vulnerability by sending a crafted HTTP request to an authenticated user of the DCNM web application. A successful exploit could allow the attacker to bypass access controls and gain unauthorized access to the Device Manager application, which provides access to network devices managed by the system.

Weakness: CWE-918

Which versions are affected by CVE-2021-1272?

It affects 1 product.

Products include Cisco Data Center Network Manager.

How do I fix CVE-2021-1272?

No fix has been published for CVE-2021-1272 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2021-1272 being exploited?

There is no known exploitation of CVE-2021-1272 in the wild and no public exploit code.

All Cisco Data Center Network Manager vulnerabilities

Sources

Also known as GHSA-qm5r-g6v2-jcgq.

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