What is CVE-2023-0973?

CVE-2023-0973 is a low-severity vulnerability in Step Tools V18sp1 Ifcmesh Library, classified under NULL Pointer Dereference. CVSS score: 2.2/10. Published 2023-03-13.

How severe is CVE-2023-0973?

Low severity. CVSS v3 base score is 2.2 out of 10.

NULL pointer dereference in Step Tools V18sp1 Ifcmesh Library

CVE-2023-0973

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.

Published 2023-03-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.2 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.002 (5.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Step Tools V18sp1 Ifcmesh Library — versions v18.1
Steptools Ifcmesh Library

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

www.cisa.gov/news-events/ics-advisories/icsa-23-068-04 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2023-0973?: CVE-2023-0973 is a low-severity vulnerability in Step Tools V18sp1 Ifcmesh Library, classified under NULL Pointer Dereference. CVSS score: 2.2/10. Published 2023-03-13.
How severe is CVE-2023-0973?: Low severity. CVSS v3 base score is 2.2 out of 10.