# CVE-2024-30370: RARLAB WinRAR Mark-Of-The-Web Bypass Vulnerability

> Attackers can bypass Mark-of-the-Web protections in WinRAR, allowing malicious files to execute without user warnings.

- **Severity:** Medium 4.3 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 2 Apr 2024
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-w74v-5f39-6xgq

## What is CVE-2024-30370?

CVE-2024-30370 is a medium-severity vulnerability in RARLAB WinRAR, published on 2 Apr 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

RARLAB WinRAR Mark-Of-The-Web Bypass Vulnerability. This vulnerability allows remote attackers to bypass the Mark-Of-The-Web protection mechanism on affected installations of RARLAB WinRAR. User interaction is required to exploit this vulnerability in that the target must perform a specific action on a malicious page.

The specific flaw exists within the archive extraction functionality. A crafted archive entry can cause the creation of an arbitrary file without the Mark-Of-The-Web. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current user. Was ZDI-CAN-23156.

Weakness: CWE-693 (Protection Mechanism Failure)

## Which versions are affected by CVE-2024-30370?

It affects 1 product.


Products: Rarlab Winrar.

## How do I fix CVE-2024-30370?

No fix has been published for CVE-2024-30370 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-30370 being exploited?

There is no known exploitation of CVE-2024-30370 in the wild and no public exploit code.

## Other vulnerabilities in RARLAB WinRAR

- [CVE-2025-6218](https://insights.sbomify.com/CVE-2025-6218/): RARLAB WinRAR Path Traversal (high 7.8, exploited in the wild)
- [CVE-2023-38831](https://insights.sbomify.com/CVE-2023-38831/): RARLAB WinRAR Code Execution (high 7.8, exploited in the wild)
- [CVE-2018-20250](https://insights.sbomify.com/CVE-2018-20250/): WinRAR Absolute Path Traversal (high 7.8, exploited in the wild)
- [CVE-2008-7144](https://insights.sbomify.com/CVE-2008-7144/): Memory corruption in n/a (critical 10.0)
- [CVE-2004-1254](https://insights.sbomify.com/CVE-2004-1254/): Integer overflow in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-30370 and fix it if it is affected.

What it is: CVE-2024-30370 is a medium-severity vulnerability in RARLAB WinRAR, published on 2 Apr 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2024-30370 in the wild and no public exploit code.

Affected product: RARLAB WinRAR. 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-2024-30370/ (Markdown: https://insights.sbomify.com/CVE-2024-30370/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-30370
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-30370
- OSV: https://osv.dev/vulnerability/CVE-2024-30370

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-30370/
Summaries are generated and may contain mistakes; the official description above is the record.