CVE-2021-22649 Null dereference in Luxion KeyShot

What is CVE-2021-22649?

CVE-2021-22649 is a high-severity vulnerability in Luxion KeyShot, published on 23 Feb 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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 have multiple NULL pointer dereference issues while processing project files, which may allow an attacker to execute arbitrary code.

Weakness: CWE-119, CWE-822

Which versions are affected by CVE-2021-22649?

It affects 6 products.

Products include Luxion Keyshot, Luxion Keyshot Network Rendering, Luxion Keyshot Viewer, Luxion Keyvr, Siemens Solid Edge Se2020 Firmware, Siemens Solid Edge Se2021 Firmware.

How do I fix CVE-2021-22649?

No fix has been published for CVE-2021-22649 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-22649 being exploited?

There is no known exploitation of CVE-2021-22649 in the wild and no public exploit code.

Other vulnerabilities in Luxion KeyShot

• CVE-2025-7222 Luxion KeyShot 3DM File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability High 7.8
• CVE-2025-1045 Luxion KeyShot Viewer KSP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability High 7.8
• CVE-2025-1046 Luxion KeyShot SKP File Parsing Use-After-Free Remote Code Execution Vulnerability High 7.8
• CVE-2025-1047 Luxion KeyShot PVS File Parsing Access of Uninitialized Pointer Remote Code Execution Vulnerability High 7.8
• CVE-2025-2530 Luxion KeyShot DAE File Parsing Access of Uninitialized Pointer Remote Code Execution Vulnerability High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-xhff-wwww-hj4w.