# CVE-2001-0475: Code injection in n/a

> Remote attackers can execute arbitrary PHP code in vBulletin by exploiting uninitialized variables in the template cache parameter.

- **Severity:** High 7.5 (`AV:N/AC:L/Au:N/C:P/I:P/A:P`)
- **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 2001
- **Updated:** 8 Aug 2024
- **Also known as:** GHSA-9p38-h93c-5h77

## What is CVE-2001-0475?

CVE-2001-0475 is a high-severity code injection vulnerability in Jelsoft Vbulletin, published on 18 Sep 2001. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

index.php in Jelsoft vBulletin does not properly initialize a PHP variable that is used to store template information, which allows remote attackers to execute arbitrary PHP code via special characters in the templatecache parameter.

## Which versions are affected by CVE-2001-0475?

It affects 1 product.


Products: Jelsoft Vbulletin.

## How do I fix CVE-2001-0475?

No fix has been published for CVE-2001-0475 yet. Limit exposure of the affected software until one is available.

## Is CVE-2001-0475 being exploited?

There is no known exploitation of CVE-2001-0475 in the wild and no public exploit code.

## Other vulnerabilities in Jelsoft Vbulletin

- [CVE-2007-4120](https://insights.sbomify.com/CVE-2007-4120/): Code injection in n/a (critical 9.3)
- [CVE-2007-2911](https://insights.sbomify.com/CVE-2007-2911/): SQL injection in n/a (high 8.5)
- [CVE-2004-2695](https://insights.sbomify.com/CVE-2004-2695/): SQL injection in n/a (high 7.5)
- [CVE-2007-1292](https://insights.sbomify.com/CVE-2007-1292/): SQL injection in n/a (high 7.5)
- [CVE-2006-5104](https://insights.sbomify.com/CVE-2006-5104/): SQL injection in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2001-0475 and fix it if it is affected.

What it is: CVE-2001-0475 is a high-severity code injection vulnerability in Jelsoft Vbulletin, published on 18 Sep 2001. 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-2001-0475 in the wild and no public exploit code.

Affected product: Jelsoft Vbulletin. 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-2001-0475/ (Markdown: https://insights.sbomify.com/CVE-2001-0475/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2001-0475
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2001-0475
- OSV: https://osv.dev/vulnerability/CVE-2001-0475

---
From sbomify Insights: https://insights.sbomify.com/CVE-2001-0475/
Summaries are generated and may contain mistakes; the official description above is the record.