Which products and versions are affected by CVE-2016-3987?

Affected: Password Manager (Trendmicro). The full list is in the CVE brief.

Is CVE-2016-3987 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2016-3987 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2016-3987?

Public exploit code is available.

Is there a fix for CVE-2016-3987?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2016-3987 be patched?

Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

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WatchlistCritical

CVE-2016-3987Password Manager Vulnerability

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.

Published Apr 11, 2016 · Updated May 6, 2026

Key Facts

Patch immediately

CVE-2016-3987 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Password Manager (Trendmicro).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 22% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

22%

Higher than 97.6% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

49/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

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.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Password ManagerTrendmicro	See advisory	n/a

Timeline

Publicly disclosed
Apr 11, 2016
Last updated
May 6, 2026

Weakness Type

CWE-284 Improper Access Control

References

advisoryblog.trendmicro.com · information-on-reported-vulnerabilities-in-tren…
advisorycode.google.com · issues
advisory1034662
exploitpacketstormsecurity.com · TrendMicro-Node.js-HTTP-Server-Command-Executio…
exploitExploitDB-39218

1 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: Password Manager (Trendmicro). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Is CVE-2016-3987 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.