CVE-2021-1277 Cisco Data Center Network Manager Certificate Validation Vulnerabilities

High 7.5 Published Updated

Attackers can perform man-in-the-middle attacks to extract sensitive information or alter API requests due to insufficient certificate validation in Cisco DCNM.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-1277?

CVE-2021-1277 is a high-severity vulnerability in Cisco Data Center Network Manager, published on 20 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple vulnerabilities in Cisco Data Center Network Manager (DCNM) could allow an attacker to spoof a trusted host or construct a man-in-the-middle attack to extract sensitive information or alter certain API requests. These vulnerabilities are due to insufficient certificate validation when establishing HTTPS requests with the affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Weakness: CWE-295

Which versions are affected by CVE-2021-1277?

It affects 1 product.

Products include Cisco Data Center Network Manager.

How do I fix CVE-2021-1277?

No fix has been published for CVE-2021-1277 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-1277 being exploited?

There is no known exploitation of CVE-2021-1277 in the wild and no public exploit code.

All Cisco Data Center Network Manager vulnerabilities

Sources

Also known as GHSA-qgg7-qhjr-6jh4.

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