# CVE-2019-9055: Deserialization in n/a

> An attacker with Designer permissions can achieve object injection via unsafe deserialization in the DesignManager module, potentially leading to code execution.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Mar 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-45rr-q6mf-fx4v

## What is CVE-2019-9055?

CVE-2019-9055 is a high-severity unsafe deserialization vulnerability in Cmsmadesimple Cms Made Simple, published on 26 Mar 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files action.admin_bulk_css.php and action.admin_bulk_template.php), with an unprivileged user with Designer permission, it is possible reach an unserialize call with a crafted value in the m1_allparms parameter, and achieve object injection.

Weakness: CWE-502 (Deserialization of Untrusted Data)

## Which versions are affected by CVE-2019-9055?

It affects 1 product.


Products: Cmsmadesimple Cms Made Simple.

## How do I fix CVE-2019-9055?

No fix has been published for CVE-2019-9055 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-9055 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-9055 exists.

Public exploit code:

- CMS Made Simple Authenticated RCE via object injection (metasploit)

## Other vulnerabilities in Cmsmadesimple Cms Made Simple

- [CVE-2010-4663](https://insights.sbomify.com/CVE-2010-4663/): Other in n/a (critical 10.0)
- [CVE-2024-1527](https://insights.sbomify.com/CVE-2024-1527/): Unrestricted Upload of File with Dangerous Type in CMS Made Simple (critical 9.8)
- [CVE-2018-10081](https://insights.sbomify.com/CVE-2018-10081/): Auth bypass in n/a (critical 9.8)
- [CVE-2018-10085](https://insights.sbomify.com/CVE-2018-10085/): Deserialization in n/a (critical 9.8)
- [CVE-2017-1000453](https://insights.sbomify.com/CVE-2017-1000453/): Code injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-9055 and fix it if it is affected.

What it is: CVE-2019-9055 is a high-severity unsafe deserialization vulnerability in Cmsmadesimple Cms Made Simple, published on 26 Mar 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-9055 exists.

Affected product: Cmsmadesimple Cms Made Simple. 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-2019-9055/ (Markdown: https://insights.sbomify.com/CVE-2019-9055/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-9055
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-9055
- OSV: https://osv.dev/vulnerability/CVE-2019-9055

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-9055/
Summaries are generated and may contain mistakes; the official description above is the record.