When loading a specially crafted file, Luxion KeyShot versions prior to 10.1, Luxion KeyShot Viewer versions prior to 10.1, Luxion KeyShot…

published 2021-02-23 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9787

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.9%; EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits: 0; none known

When loading a specially crafted file, Luxion KeyShot versions prior to 10.1, Luxion KeyShot Viewer versions prior to 10.1, Luxion KeyShot Network Rendering versions prior to 10.1, and Luxion KeyVR versions prior to 10.1 are, while processing the extraction of temporary files, suffering from a directory traversal vulnerability, which allows an attacker to store arbitrary scripts into automatic startup folders.

Patch / fix

fixed in 4 links 1

luxion keyshot 10.1
luxion keyshot_network_rendering 10.1
luxion keyshot_viewer 10.1
luxion keyvr 10.1

us-cert.cisa.gov/ics/advisories/icsa-21-035-01 advisory

Vendor advisories

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

cisa ICSA-21-035-01 updated 2021-03-09 cvss 7.8

Luxion KeyShot (Update A)

Luxion KeyShot < 10.1 Luxion KeyShot Network Rendering < 10.1 Luxion KeyShot Viewer < 10.1 Luxion KeyVR < 10.1
affected: vendor fix 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

2.93% chance of exploitation in the next 30 days, higher than 87% 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 Luxion KeyShot versions
n/a Luxion KeyShot Viewer
n/a Luxion KeyShot Network Rendering
n/a Luxion KeyVR

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

us-cert.cisa.gov /ics/advisories/icsa-21-035-01
patch, third-party-advisory, us-government-resource
cert-portal.siemens.com /productcert/pdf/ssa-231216.pdf
third-party-advisory
zerodayinitiative.com /advisories/ZDI-21-324/
third-party-advisory, vdb-entry

Sources

CVE List CVE-2021-22651
NVD CVE-2021-22651

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