CVE-2021-22643 Memory corruption in Luxion KeyShot
An out-of-bounds read in Luxion KeyShot products allows attackers to execute arbitrary code via malicious project files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-22643?
CVE-2021-22643 is a high-severity memory corruption 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 are vulnerable to an out-of-bounds read while processing project files, which may allow an attacker to execute arbitrary code.
Weakness: CWE-125
Which versions are affected by CVE-2021-22643?
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-2021-22643?
No fix has been published for CVE-2021-22643 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-22643 being exploited?
There is no known exploitation of CVE-2021-22643 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
- CVE-2025-1045 Luxion KeyShot Viewer KSP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
- CVE-2025-1046 Luxion KeyShot SKP File Parsing Use-After-Free Remote Code Execution Vulnerability
- CVE-2025-1047 Luxion KeyShot PVS File Parsing Access of Uninitialized Pointer Remote Code Execution Vulnerability
- CVE-2025-2530 Luxion KeyShot DAE File Parsing Access of Uninitialized Pointer Remote Code Execution Vulnerability
Sources
Also known as GHSA-5f6x-vc29-3295.