CVE-2018-18989

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-12-04 · updated 2026-06-17
Weakness: CWE-416

Description

In CX-One Versions 4.42 and prior (CX-Programmer Versions 9.66 and prior and CX-Server Versions 5.0.23 and prior), when processing project files, the application fails to check if it is referencing freed memory. An attacker could use a specially crafted project file to exploit and execute code under the privileges of the application.

Affected products

Omron CX-One: through 4.42
OMRON Corporation CX-Programmer: through 9.66
Omron CX-Server: through 5.0.23

References

http://www.securityfocus.com/bid/106106
https://ics-cert.us-cert.gov/advisories/ICSA-18-338-01
http://www.securityfocus.com/bid/106106
https://ics-cert.us-cert.gov/advisories/ICSA-18-338-01

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