Step Tools Third-Party

published 2023-03-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12958

cvss: 2.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

steptools ifcmesh_library 18.102

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-131-01 updated 2023-08-08 cvss 2.2

Siemens Solid Edge

Siemens Solid Edge SE2023 <vers:/_V223.0_Update_2
affected: fixed in V223.0, mitigation support.sw.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

cisa ICSA-23-068-04 updated 2023-03-29 cvss 2.2

Step Tools Third-Party

Step Tools, Inc STEPTools v18SP1 ifcmesh library 18.1
affected: fixed in v18.102

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-01-16)

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	2.2	CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

Step Tools v18SP1 ifcmesh library

Classification

Weakness

CWE-476 NULL Pointer Dereference

References

cisa.gov /news-events/ics-advisories/icsa-23-068-04
third-party-advisory, us-government-resource

Sources

CVE List CVE-2023-0973
NVD CVE-2023-0973

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary