Datakit Software libraries CatiaV5_3dRead, CatiaV6_3dRead, Step3dRead, Ug3dReadPsr, Jt3dReadPsr modules in KeyShot Versions v10.1 and prior…

published 2021-05-27 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14244

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits: 0; none known

Datakit Software libraries CatiaV5_3dRead, CatiaV6_3dRead, Step3dRead, Ug3dReadPsr, Jt3dReadPsr modules in KeyShot Versions v10.1 and prior are vulnerable to an out-of-bounds read, which may allow an attacker to execute arbitrary code.

Vendor advisories

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

cisa ICSA-21-145-01 updated 2021-05-25 cvss 7.8

Datakit Libraries bundled in Luxion KeyShot

Datakit CatiaV5_3dRead <= 2021.1 Datakit CatiaV6_3dRead <= 2021.1 Datakit Jt3dReadPsr <= 2021.1 Datakit KeyShot <= 10.1 Datakit Step3dRead <= 2021.1 Datakit Ug3dReadPsr <= 2021.1
affected: mitigation “Datakit has released CrossCAD/Ware library Version 2021.2 and recommends software vendors upgrade to this version or later. Versions 2021.1 or earlier are still affected by the vulnerabilities.” keyshot.com

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

Exploit prediction

2.03% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

n/a Datakit Software libraries embedded in Luxion KeyShot software

Classification

Weakness

CWE-125 Out-of-bounds Read

References

zerodayinitiative.com /advisories/ZDI-21-566/
third-party-advisory, vdb-entry
cert-portal.siemens.com /productcert/pdf/ssa-119468.pdf
third-party-advisory
us-cert.cisa.gov /ics/advisories/icsa-21-145-01
third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-27490
NVD CVE-2021-27490

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