# CVE-2011-4559: SQL injection in n/a

> Remote attackers can execute arbitrary SQL commands in vTiger CRM via the Calendar module, potentially accessing or modifying database contents.

- **Severity:** High 7.5 (`AV:N/AC:L/Au:N/C:P/I:P/A:P`)
- **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:** 28 Nov 2011
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-jm2m-m6gc-v7qv

## What is CVE-2011-4559?

CVE-2011-4559 is a high-severity SQL injection vulnerability in Vtiger Vtiger Crm, published on 28 Nov 2011. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

SQL injection vulnerability in the Calendar module in vTiger CRM 5.2.1 and earlier allows remote attackers to execute arbitrary SQL commands via the onlyforuser parameter in an index action to index.php.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2011-4559?

It affects 1 product.


Products: Vtiger Vtiger Crm.

## How do I fix CVE-2011-4559?

No fix has been published for CVE-2011-4559 yet. Limit exposure of the affected software until one is available.

## Is CVE-2011-4559 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4559 exists.

Public exploit code:

- vTiger CRM 5.2 - 'onlyforuser' SQL Injection (exploitdb)

## Other vulnerabilities in Vtiger Vtiger Crm

- [CVE-2020-22807](https://insights.sbomify.com/CVE-2020-22807/): SQL injection in n/a (critical 9.8)
- [CVE-2013-3215](https://insights.sbomify.com/CVE-2013-3215/): Auth bypass in n/a (critical 9.8)
- [CVE-2013-3214](https://insights.sbomify.com/CVE-2013-3214/): Code injection in n/a (critical 9.8)
- [CVE-2009-3250](https://insights.sbomify.com/CVE-2009-3250/): File upload in n/a (critical 9.0)
- [CVE-2009-3258](https://insights.sbomify.com/CVE-2009-3258/): Missing authorization in n/a (critical 9.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2011-4559 and fix it if it is affected.

What it is: CVE-2011-4559 is a high-severity SQL injection vulnerability in Vtiger Vtiger Crm, published on 28 Nov 2011. 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-2011-4559 exists.

Affected product: Vtiger Vtiger Crm. 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-2011-4559/ (Markdown: https://insights.sbomify.com/CVE-2011-4559/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2011-4559
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2011-4559
- OSV: https://osv.dev/vulnerability/CVE-2011-4559

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From sbomify Insights: https://insights.sbomify.com/CVE-2011-4559/
Summaries are generated and may contain mistakes; the official description above is the record.