CVE-2023-3324: Insecure deserialization in zenon internal DLLs

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-24 · updated 2026-06-17
Weakness: CWE-502

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.

Affected products

ABB Ability™ zenon: through 11.0.0

References

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

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