# CVE-2023-44976: Security feature bypass in Rentdrv2

> Local attackers can terminate EDR processes via a specific DeviceIoControl call, bypassing security monitoring in Hangzhou Shunwang Rentdrv2.

- **Severity:** Low 3.2 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Aug 2025
- **Updated:** 1 Aug 2025
- **Also known as:** GHSA-xcwr-x5fm-7jmr

## What is CVE-2023-44976?

CVE-2023-44976 is a low-severity vulnerability in Hangzhou Shunwang Rentdrv2, published on 1 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Hangzhou Shunwang Rentdrv2 before 2024-12-24 allows local users to terminate EDR processes and possibly have unspecified other impact via DeviceIoControl with control code 0x22E010, as exploited in the wild in October 2023.

Weakness: CWE-782 (Exposed IOCTL with Insufficient Access Control)

## Which versions are affected by CVE-2023-44976?


## How do I fix CVE-2023-44976?

No fix has been published for CVE-2023-44976 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-44976 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-44976 exists.

Public exploit code:

- A vulnerable driver exploited by me (BYOVD) that is capable of terminating several EDRs and antivirus software in the market, rendering them ineffective, working for both x32 and x64(CVE-2023-44976). (github_poc): https://github.com/keowu/BadRentdrv2

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-44976 and fix it if it is affected.

What it is: CVE-2023-44976 is a low-severity vulnerability in Hangzhou Shunwang Rentdrv2, published on 1 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-44976 exists.

Affected product: Hangzhou Shunwang Rentdrv2. 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-2023-44976/ (Markdown: https://insights.sbomify.com/CVE-2023-44976/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-44976
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-44976
- OSV: https://osv.dev/vulnerability/CVE-2023-44976

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-44976/
Summaries are generated and may contain mistakes; the official description above is the record.