CVE-2020-3597 Cisco Nexus Data Broker Software Path Traversal Vulnerability

Medium 5.4 Published Updated

An unauthenticated remote attacker can overwrite arbitrary files by tricking an administrator into restoring a crafted configuration backup file.

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-2020-3597?

CVE-2020-3597 is a medium-severity path traversal vulnerability in Cisco Nexus Data Broker, published on 8 Oct 2020. 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 configuration restore feature of Cisco Nexus Data Broker software could allow an unauthenticated, remote attacker to perform a directory traversal attack on an affected device. The vulnerability is due to insufficient validation of configuration backup files. An attacker could exploit this vulnerability by persuading an administrator to restore a crafted configuration backup file. A successful exploit could allow the attacker to overwrite arbitrary files that are accessible through the affected software on an affected device.

Weakness: CWE-22, CWE-23

Which versions are affected by CVE-2020-3597?

It affects 1 product.

Products include Cisco Nexus Data Broker.

How do I fix CVE-2020-3597?

No fix has been published for CVE-2020-3597 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-3597 being exploited?

There is no known exploitation of CVE-2020-3597 in the wild and no public exploit code.

Sources

Also known as GHSA-v8pv-jvcc-3q6j.

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