CVE-2023-3321

Name: CVE-2023-3321
Creator: NVD / NIST
Published: 2023-07-24T18:15:23.453+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2023-3321 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. . EPSS estimates a 0.32% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.32%

24.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-15

Affected Software

Vendor	Product	Versions
Abb	Zenon	<= 11.0.0

References

https://search.abb.com/library/Download.aspx?DocumentID=2NGA001801&LanguageCode=en&DocumentPartId=&Action=Launch&_ga=2.194142766.2067879716.1690216773-1911411808.1686627590Mitigation, Technical Description, Vendor Advisory
https://search.abb.com/library/Download.aspx?DocumentID=2NGA001801&LanguageCode=en&DocumentPartId=&Action=Launch&_ga=2.194142766.2067879716.1690216773-1911411808.1686627590Mitigation, Technical Description, Vendor Advisory

Timeline

Published: Jul 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3321?

How severe is CVE-2023-3321?

CVE-2023-3321 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3321?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-3321?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST