What’s Vulnerable › Vulnerabilities

CVE-2021-22643

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-23 · updated 2026-06-17
• Weakness: CWE-125

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.

Affected products

• Luxion KeyShot: before 10.1 — fixed in 10.1
• Luxion Keyshot Network Rendering: before 10.1 — fixed in 10.1
• Luxion Keyshot Viewer: before 10.1 — fixed in 10.1
• Luxion Keyvr: before 10.1 — fixed in 10.1
• Siemens Solid Edge Se2020 Firmware: all versions
• Siemens Solid Edge Se2021 Firmware: all versions

How to fix

Upgrade to a fixed version: Luxion KeyShot 10.1; Luxion Keyshot Network Rendering 10.1; Luxion Keyshot Viewer 10.1; Luxion Keyvr 10.1. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-231216.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-035-01
• https://www.zerodayinitiative.com/advisories/ZDI-21-316/
• https://www.zerodayinitiative.com/advisories/ZDI-21-319/
• https://cert-portal.siemens.com/productcert/pdf/ssa-231216.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-035-01
• https://www.zerodayinitiative.com/advisories/ZDI-21-316/
• https://www.zerodayinitiative.com/advisories/ZDI-21-319/

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