CVE-2023-3321 Code Execution through Writable Mosquitto Configuration File

High 7.0 Published Updated

Low-privileged users can modify writable configuration files in ABB zenon, enabling attackers to execute arbitrary code on installed hosts.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-3321?

CVE-2023-3321 is a high-severity vulnerability in ABB Ability™ zenon, published on 24 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability exists by allowing low-privileged users to read and update the data in various directories used by the Zenon system. An attacker could exploit the vulnerability by using specially crafted programs to exploit the vulnerabilities by allowing them to run on the zenon installed hosts. This issue affects ABB Ability™ zenon: from 11 build through 11 build 106404.

Weakness: CWE-15

Which versions are affected by CVE-2023-3321?

It affects 1 product.

Products include Abb Zenon.

How do I fix CVE-2023-3321?

No fix has been published for CVE-2023-3321 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-3321 being exploited?

There is no known exploitation of CVE-2023-3321 in the wild and no public exploit code.

Sources

Also known as GHSA-32mx-3mqx-p47v.

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