# CVE-2024-44821: Security feature bypass in n/a

> Attackers can bypass captcha protection in ZZCMS by reusing failed validation attempts to capture the correct value, enabling automated attacks.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Sep 2024
- **Updated:** 4 Sep 2024
- **Also known as:** GHSA-6g49-7hrc-9j92

## What is CVE-2024-44821?

CVE-2024-44821 is a medium-severity vulnerability in Zzcms Zzcms, published on 4 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

ZZCMS 2023 contains a vulnerability in the captcha reuse logic located in /inc/function.php. The checkyzm function does not properly refresh the captcha value after a failed validation attempt. As a result, an attacker can exploit this flaw by repeatedly submitting the same incorrect captcha response, allowing them to capture the correct captcha value through error messages.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2024-44821?

It affects 1 product.


Products: Zzcms Zzcms.

## How do I fix CVE-2024-44821?

No fix has been published for CVE-2024-44821 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-44821 being exploited?

There is no known exploitation of CVE-2024-44821 in the wild and no public exploit code.

## Other vulnerabilities in Zzcms Zzcms

- [CVE-2025-22957](https://insights.sbomify.com/CVE-2025-22957/): SQL injection in n/a (critical 9.8)
- [CVE-2024-52724](https://insights.sbomify.com/CVE-2024-52724/): SQL injection in n/a (critical 9.8)
- [CVE-2023-50104](https://insights.sbomify.com/CVE-2023-50104/): File upload in n/a (critical 9.8)
- [CVE-2023-42398](https://insights.sbomify.com/CVE-2023-42398/): Server-side request forgery in n/a (critical 9.8)
- [CVE-2019-12349](https://insights.sbomify.com/CVE-2019-12349/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-44821 and fix it if it is affected.

What it is: CVE-2024-44821 is a medium-severity vulnerability in Zzcms Zzcms, published on 4 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-44821 in the wild and no public exploit code.

Affected product: Zzcms Zzcms. 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-2024-44821/ (Markdown: https://insights.sbomify.com/CVE-2024-44821/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-44821
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-44821
- OSV: https://osv.dev/vulnerability/CVE-2024-44821

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-44821/
Summaries are generated and may contain mistakes; the official description above is the record.