# CVE-2023-1444: Filseclab Twister Antivirus IoControlCode fildds.sys 0x8011206B denial of service

> A remote attacker can cause a denial of service in Filseclab Twister Antivirus by exploiting a null pointer dereference in the fildds.sys driver.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Mar 2023
- **Updated:** 26 Feb 2025
- **Also known as:** GHSA-xhwr-f5xv-7gqc

## What is CVE-2023-1444?

CVE-2023-1444 is a high-severity vulnerability in Filseclab Twister Antivirus, published on 17 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was found in Filseclab Twister Antivirus 8. It has been rated as critical. This issue affects the function 0x8011206B in the library fildds.sys of the component IoControlCode Handler. The manipulation leads to denial of service. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-223289 was assigned to this vulnerability.

Weakness: CWE-476 (NULL Pointer Dereference), CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2023-1444?

It affects 1 product.


Products: Filseclab Twister Antivirus.

## How do I fix CVE-2023-1444?

No fix has been published for CVE-2023-1444 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1444 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1444 exists.

## Other vulnerabilities in Filseclab Twister Antivirus

- [CVE-2023-1443](https://insights.sbomify.com/CVE-2023-1443/): Filseclab Twister Antivirus IoControlCode fildds.sys 0x80112053 denial of service (medium 6.5)
- [CVE-2024-1140](https://insights.sbomify.com/CVE-2024-1140/): Twister Antivirus v8.17 - Out-of-bounds Read (medium 6.1)
- [CVE-2024-1096](https://insights.sbomify.com/CVE-2024-1096/): Twister Antivirus v8.17 - Denial of Service (medium 5.5)
- [CVE-2023-2874](https://insights.sbomify.com/CVE-2023-2874/): Twister Antivirus IoControlCode filppd.sys 0x804f2140 denial of service (medium 5.5)
- [CVE-2023-1008](https://insights.sbomify.com/CVE-2023-1008/): Twister Antivirus IoControlCode filmfd.sys 0x801120E4 denial of service (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1444 and fix it if it is affected.

What it is: CVE-2023-1444 is a high-severity vulnerability in Filseclab Twister Antivirus, published on 17 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1444 exists.

Affected product: Filseclab Twister Antivirus. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-1444/ (Markdown: https://insights.sbomify.com/CVE-2023-1444/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1444
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1444
- OSV: https://osv.dev/vulnerability/CVE-2023-1444

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-1444/
Summaries are generated and may contain mistakes; the official description above is the record.