CVE-2023-0973: Step Tools Third-Party

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-13 · updated 2026-06-17
Weakness: CWE-476

Description

STEPTools v18SP1 ifcmesh library (v18.1) is affected due to a null pointer dereference, which could allow an attacker to deny application usage when reading a specially constructed file, resulting in an application crash.

Affected products

Step Tools v18SP1 ifcmesh library: before 18.102 — fixed in 18.102

How to fix

Upgrade to a fixed version: Step Tools v18SP1 ifcmesh library 18.102. Check the vendor advisory for mitigations.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-068-04
https://www.cisa.gov/news-events/ics-advisories/icsa-23-068-04

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