CVE-2021-22643

Name: CVE-2021-22643
Creator: NVD / NIST
Published: 2021-02-23T04:15:14.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.08%

Last modified Jun 17, 2026

CVE-2021-22643 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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 vulnerable to an out-of-bounds read while processing project files, which may allow an attacker to execute arbitrary code.. EPSS estimates a 2.08% chance of exploitation in the next 30 days.

Description

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 vulnerable to an out-of-bounds read while processing project files, which may allow an attacker to execute arbitrary code.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

2.08%

79.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Luxion	Keyshot	< 10.1
Luxion	Keyshot Network Rendering	< 10.1
Luxion	Keyshot Viewer	< 10.1
Luxion	Keyvr	< 10.1
Siemens	Solid Edge Se2020 Firmware	All versions
Siemens	Solid Edge Se2021 Firmware	All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-231216.pdfThird Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-035-01Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-316/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-319/Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-231216.pdfThird Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-035-01Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-316/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-319/Third Party Advisory, VDB Entry

Timeline

Published: Feb 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22643?

How severe is CVE-2021-22643?

CVE-2021-22643 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.08% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22643?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22643?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST