# CVE-2009-3473: Missing authorization in n/a

> An attacker with low privileges can bypass authorization checks to change session user context, potentially escalating privileges in IBM DB2.

- **Severity:** Critical 10.0 (`AV:N/AC:L/Au:N/C:C/I:C/A:C`)
- **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:** 29 Sep 2009
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-2ppv-95h6-36pf

## What is CVE-2009-3473?

CVE-2009-3473 is a critical missing authorization vulnerability in Ibm Db2, published on 29 Sep 2009. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

IBM DB2 9.1 before FP8 does not require the SETSESSIONUSER privilege for the SET SESSION AUTHORIZATION statement, which has unspecified impact and remote attack vectors.

## Which versions are affected by CVE-2009-3473?

It affects 1 product.


Products: Ibm Db2.

## How do I fix CVE-2009-3473?

No fix has been published for CVE-2009-3473 yet. Limit exposure of the affected software until one is available.

## Is CVE-2009-3473 being exploited?

There is no known exploitation of CVE-2009-3473 in the wild and no public exploit code.

## Other vulnerabilities in Ibm Db2

- [CVE-2012-1797](https://insights.sbomify.com/CVE-2012-1797/): IBM DB2 9.5 uses world-writable permissions for nodes.reg, which has unspecified impact and attack vectors. (critical 10.0)
- [CVE-2010-3731](https://insights.sbomify.com/CVE-2010-3731/): Memory corruption in n/a (critical 10.0)
- [CVE-2010-3193](https://insights.sbomify.com/CVE-2010-3193/): Other in n/a (critical 10.0)
- [CVE-2009-4335](https://insights.sbomify.com/CVE-2009-4335/): Other in n/a (critical 10.0)
- [CVE-2008-6820](https://insights.sbomify.com/CVE-2008-6820/): Privilege escalation in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2009-3473 and fix it if it is affected.

What it is: CVE-2009-3473 is a critical missing authorization vulnerability in Ibm Db2, published on 29 Sep 2009. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2009-3473 in the wild and no public exploit code.

Affected product: Ibm Db2. 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-2009-3473/ (Markdown: https://insights.sbomify.com/CVE-2009-3473/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2009-3473
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2009-3473
- OSV: https://osv.dev/vulnerability/CVE-2009-3473

---
From sbomify Insights: https://insights.sbomify.com/CVE-2009-3473/
Summaries are generated and may contain mistakes; the official description above is the record.