The Protect Worksheet functionality in Mathsoft Mathcad 12 through 13.1, and PTC Mathcad 14, implements file access restrictions via a protection element in a gzipped XML file, which allows attackers to bypass these restrictions by removing this element.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mathcad | Ptc | 12 (including) | 12 (including) |
| Mathcad | Ptc | 13 (including) | 13 (including) |
| Mathcad | Ptc | 13.1 (including) | 13.1 (including) |
| Mathcad | Ptc | 14 (including) | 14 (including) |