# CVE-2016-9693: File upload in Business Process Manager Advanced

> An attacker can bypass file type restrictions to force an unauthenticated victim to download and execute a malicious payload.

- **Severity:** Medium 6.1 (`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 7 Mar 2017
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-vp3c-hw54-76fg

## What is CVE-2016-9693?

CVE-2016-9693 is a medium-severity vulnerability in Ibm Business Process Manager, published on 7 Mar 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

IBM Business Process Manager 7.5, 8.0, and 8.5 has a file download capability that is vulnerable to a set of attacks. Ultimately, an attacker can cause an unauthenticated victim to download a malicious payload. An existing file type restriction can be bypassed so that the payload might be considered executable and cause damage on the victim's machine. IBM Reference #: 1998655.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2016-9693?

It affects 2 products.


Products: Ibm Business Process Manager, Ibm Websphere.

## How do I fix CVE-2016-9693?

No fix has been published for CVE-2016-9693 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-9693 being exploited?

There is no known exploitation of CVE-2016-9693 in the wild and no public exploit code.

## Other vulnerabilities in Ibm Business Process Manager

- [CVE-2015-1961](https://insights.sbomify.com/CVE-2015-1961/): Code injection in n/a (critical 9.0)
- [CVE-2017-1769](https://insights.sbomify.com/CVE-2017-1769/): Cross-site request forgery in Business Process Manager (high 8.8)
- [CVE-2017-1539](https://insights.sbomify.com/CVE-2017-1539/): Privilege escalation in Business Process Manager Advanced (high 8.8)
- [CVE-2017-1527](https://insights.sbomify.com/CVE-2017-1527/): XML external entity in Business Process Manager Advanced (high 8.1)
- [CVE-2015-7441](https://insights.sbomify.com/CVE-2015-7441/): Weak cryptography in n/a (medium 6.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-9693 and fix it if it is affected.

What it is: CVE-2016-9693 is a medium-severity vulnerability in Ibm Business Process Manager, published on 7 Mar 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2016-9693 in the wild and no public exploit code.

Affected product: Ibm Business Process Manager. 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-2016-9693/ (Markdown: https://insights.sbomify.com/CVE-2016-9693/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-9693
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-9693
- OSV: https://osv.dev/vulnerability/CVE-2016-9693

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From sbomify Insights: https://insights.sbomify.com/CVE-2016-9693/
Summaries are generated and may contain mistakes; the official description above is the record.