# CVE-2016-3987: Command injection in n/a

> Remote attackers can execute arbitrary commands on Trend Micro Password Manager via malicious URLs in the HTTP server API.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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:** 8 Apr 2016
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-xx4r-v983-p5jq

## What is CVE-2016-3987?

CVE-2016-3987 is a critical command injection vulnerability in n/a, published on 8 Apr 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The HTTP server in Trend Micro Password Manager allows remote web servers to execute arbitrary commands via the url parameter to (1) api/openUrlInDefaultBrowser or (2) api/showSB.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2016-3987?

It affects 1 product.


Products: Trendmicro Password Manager.

## How do I fix CVE-2016-3987?

No fix has been published for CVE-2016-3987 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-3987 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-3987 exists.

Public exploit code:

- Trend Micro - node.js HTTP Server Listening on localhost Can Execute Commands (exploitdb)

## Other vulnerabilities in n/a

- [CVE-2021-32462](https://insights.sbomify.com/CVE-2021-32462/): Privilege escalation in Trend Micro Password Manager (high 8.8)
- [CVE-2025-52837](https://insights.sbomify.com/CVE-2025-52837/): Privilege escalation in Trend Micro Password Manager (high 7.8)
- [CVE-2022-28394](https://insights.sbomify.com/CVE-2022-28394/): Other in Trend Micro Password Manager (high 7.8)
- [CVE-2022-30523](https://insights.sbomify.com/CVE-2022-30523/): Privilege escalation in Trend Micro Password Manager (high 7.8)
- [CVE-2022-26337](https://insights.sbomify.com/CVE-2022-26337/): Path traversal in Trend Micro Password Manager (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-3987 and fix it if it is affected.

What it is: CVE-2016-3987 is a critical command injection vulnerability in n/a, published on 8 Apr 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-3987 exists.

Affected product: n/a. 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-2016-3987/ (Markdown: https://insights.sbomify.com/CVE-2016-3987/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-3987
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-3987
- OSV: https://osv.dev/vulnerability/CVE-2016-3987

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-3987/
Summaries are generated and may contain mistakes; the official description above is the record.