CVE-2016-3987

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Exploit-DB (verified), epss top5pct, public exploit)
CISA-KEV: Not listedEPSS PROB: 22%CVSS: 9.8Exploit: Exploit-DB (verified) · epss top5pct · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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)
EG Risk
75(Track*)
EG Risk 75/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation65% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
22%
EPSS %ILE
97%
KEV
Not listed

Published

April 12, 2016

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Jul 27, 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
http://www.securitytracker.com/id/1034662
generic

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

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

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 38× 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.

Showing the most recent 100 of 101 total refreshes for this CVE.

  1. 2026-07-26 14:50 UTCEPSS rescore
  2. 2026-07-25 14:13 UTCEPSS rescore
  3. 2026-07-23 14:14 UTCEPSS rescore
  4. 2026-07-23 01:23 UTCEG score recompute
  5. 2026-07-22 22:02 UTCEG score recompute
  6. 2026-07-22 14:04 UTCEPSS rescore
  7. 2026-07-21 15:21 UTCEPSS rescore
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  9. 2026-07-20 17:03 UTCEPSS rescore
  10. 2026-07-19 14:27 UTCEPSS rescore
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  15. 2026-07-16 16:59 UTCEPSS rescore
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  21. 2026-07-13 22:26 UTCEPSS rescore
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  24. 2026-07-11 08:23 UTCEPSS rescore
  25. 2026-07-09 19:05 UTCEPSS rescore
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  1. 2026-07-08 15:10 UTCEPSS rescore
  2. 2026-07-07 13:42 UTCEPSS rescore
  3. 2026-07-06 16:24 UTCEPSS rescore
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  10. 2026-06-30 23:19 UTCEPSS rescore
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  14. 2026-06-27 03:05 UTCEPSS rescore
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  16. 2026-06-25 13:47 UTCEPSS rescore
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  18. 2026-06-24 14:02 UTCEPSS rescore
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  20. 2026-06-23 21:30 UTCEPSS rescore
  21. 2026-06-22 14:23 UTCEPSS rescore
  22. 2026-06-21 01:57 UTCEPSS rescore
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  24. 2026-06-18 17:50 UTCEPSS rescore
  25. 2026-06-17 17:50 UTCEPSS rescore
  26. 2026-06-17 17:50 UTCEPSS rescore
  27. 2026-06-16 17:50 UTCEPSS rescore
  28. 2026-06-16 17:50 UTCEPSS rescore
  29. 2026-06-15 17:45 UTCEPSS rescore
  30. 2026-06-12 23:09 UTCEPSS rescore
  31. 2026-06-12 23:09 UTCEPSS rescore
  32. 2026-06-11 13:57 UTCEPSS rescore
  33. 2026-06-10 22:15 UTCEPSS rescore
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  35. 2026-06-08 14:14 UTCEPSS rescore
  36. 2026-06-07 15:22 UTCEPSS rescore
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  38. 2026-06-06 13:45 UTCEPSS rescore
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  40. 2026-06-05 06:08 UTCEPSS rescore
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  42. 2026-06-04 13:10 UTCEPSS rescore
  43. 2026-06-04 13:10 UTCEPSS rescore
  44. 2026-06-02 20:10 UTCEPSS rescore
  45. 2026-05-31 22:28 UTCEPSS rescore
  46. 2026-05-31 22:28 UTCEPSS rescore
  47. 2026-05-31 00:14 UTCEPSS rescore
  48. 2026-05-29 13:41 UTCEPSS rescore
  49. 2026-05-28 13:42 UTCEPSS rescore
  50. 2026-05-28 13:42 UTCEPSS rescore
  51. 2026-05-27 13:38 UTCEPSS rescore
  52. 2026-05-27 13:38 UTCEPSS rescore
  53. 2026-05-26 13:42 UTCEPSS rescore
  54. 2026-05-26 07:16 UTCEPSS rescore
  55. 2026-05-22 21:15 UTCEPSS rescore
  56. 2026-05-22 21:15 UTCEPSS rescore
  57. 2026-05-21 22:40 UTCEPSS rescore
  58. 2026-05-20 22:37 UTCEPSS rescore
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  61. 2026-05-20 11:21 UTCEPSS rescore
  62. 2026-05-20 11:21 UTCEPSS rescore
  63. 2026-05-20 11:21 UTCEPSS rescore
  64. 2026-05-20 10:22 UTCGHSA enrichment
  65. 2026-05-20 06:44 UTCGHSA enrichment
  66. 2026-05-20 03:06 UTCGHSA enrichment
  67. 2026-05-19 23:28 UTCGHSA enrichment
  68. 2026-05-19 19:50 UTCGHSA enrichment
  69. 2026-05-19 16:11 UTCGHSA enrichment
  70. 2026-05-19 12:16 UTCGHSA enrichment
  71. 2026-05-19 08:14 UTCGHSA enrichment
  72. 2026-05-19 04:37 UTCGHSA enrichment
  73. 2026-05-19 00:56 UTCEG score recompute
  74. 2026-05-19 00:56 UTCGHSA enrichment
  75. 2026-05-18 21:30 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 ↗

Related CVEs(same CWE)

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 June 17, 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 22% probability of exploitation in the next 30 days, which ranks it in the top 2.6% of all scored CVEs.
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.

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