CVE-2016-3987

CRITICALNVD 9.89.8—Weaponized

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 97.6%
KEV: Not listed

Published

April 12, 2016

Last Modified

May 6, 2026

Advisory Details (2)

Auto-updated May 8, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

Trend Micro - node.js HTTP Server Listening on localhost Can Execute Commands - Windows remote Exploit

https://www.exploit-db.com/exploits/39218/

generic

Research, News, and Perspectives | Trend Micro (US)

http://blog.trendmicro.com/information-on-reported-vulnerabilities-in-trend-micro-password-manager/

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-26 13:42 UTCEPSS rescore
2026-05-26 07:16 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-39218✓ verified
First seen Jan 11, 2016
Trend Micro - node.js HTTP Server Listening on localhost Can Execute Commands
Open source ↗

Frequently asked(5)

What is CVE-2016-3987?

CVE-2016-3987 is a critical vulnerability published on April 12, 2016. 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.

When was CVE-2016-3987 disclosed?

CVE-2016-3987 was first published in the National Vulnerability Database on April 12, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-3987 actively exploited?

CVE-2016-3987 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-3987?

CVE-2016-3987 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2016-3987?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-3987, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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