# CVE-2020-15188: Unauthenticated Remote Code Execution in SOY CMS

> Remote attackers can execute arbitrary code via unsafe deserialization in the inquiry form feature, requiring the feature to be enabled.

- **Severity:** Critical 10.0 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/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:** 18 Sep 2020
- **Updated:** 4 Aug 2024

## What is CVE-2020-15188?

CVE-2020-15188 is a critical unsafe deserialization vulnerability in inunosinsi soycms, published on 18 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

SOY CMS 3.0.2.327 and earlier is affected by Unauthenticated Remote Code Execution (RCE). The allows remote attackers to execute any arbitrary code when the inquiry form feature is enabled by the service. The vulnerability is caused by unserializing the form without any restrictions. This was fixed in 3.0.2.328.

Weakness: CWE-502 (Deserialization of Untrusted Data)

## Which versions are affected by CVE-2020-15188?

It affects 1 product.


Products: Brassica Soy Cms.

## How do I fix CVE-2020-15188?

No fix has been published for CVE-2020-15188 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-15188 being exploited?

There is no known exploitation of CVE-2020-15188 in the wild and no public exploit code.

## Other vulnerabilities in inunosinsi soycms

- [CVE-2019-11376](https://insights.sbomify.com/CVE-2019-11376/): Code injection in n/a (high 7.2)
- [CVE-2020-15189](https://insights.sbomify.com/CVE-2020-15189/): Remote Code Execution in SOY CMS (medium 6.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-15188 and fix it if it is affected.

What it is: CVE-2020-15188 is a critical unsafe deserialization vulnerability in inunosinsi soycms, published on 18 Sep 2020. 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-2020-15188 in the wild and no public exploit code.

Affected product: inunosinsi soycms. 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-2020-15188/ (Markdown: https://insights.sbomify.com/CVE-2020-15188/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-15188
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-15188
- OSV: https://osv.dev/vulnerability/CVE-2020-15188

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-15188/
Summaries are generated and may contain mistakes; the official description above is the record.