CVE-2017-3066

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-02-24), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 91%CVSS: 9.8Exploit: cisa kev · ssvc active · epss top5pct · epss high · public exploitExposed: 0

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

Adobe ColdFusion 2016 Update 3 and earlier, ColdFusion 11 update 11 and earlier, ColdFusion 10 Update 22 and earlier have a Java deserialization vulnerability in the Apache BlazeDS library. Successful exploitation could lead to arbitrary code execution.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

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%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
91%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

April 27, 2017

Last Modified

June 17, 2026

Advisory Details (4)

Auto-updated Sep 15, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-3066
generic🟡 PoC Available

Adobe Coldfusion 11.0.03.292866 - BlazeDS Java Object Deserialization Remote Code Execution - Windows remote Exploit

https://www.exploit-db.com/exploits/43993/
generic🔴 Active Exploitation

CVE-2017-3066 - PSIRT.COM

http://www.securityfocus.com/bid/98003
generic
http://www.securitytracker.com/id/1038364

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 46× in last 7d / 204× 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 746 total refreshes for this CVE.

  1. 2026-09-19 11:53 UTCGHSA enrichment
  2. 2026-09-19 07:37 UTCGHSA enrichment
  3. 2026-09-19 03:23 UTCGHSA enrichment
  4. 2026-09-18 23:09 UTCGHSA enrichment
  5. 2026-09-18 19:20 UTCCISA KEV update
  6. 2026-09-18 18:55 UTCGHSA enrichment
  7. 2026-09-18 14:41 UTCGHSA enrichment
  8. 2026-09-18 14:15 UTCCISA KEV update
  9. 2026-09-18 10:27 UTCGHSA enrichment
  10. 2026-09-18 06:13 UTCGHSA enrichment
  11. 2026-09-18 01:59 UTCGHSA enrichment
  12. 2026-09-17 21:45 UTCEG score recompute
  13. 2026-09-17 21:45 UTCGHSA enrichment
  14. 2026-09-17 19:22 UTCEPSS rescore
  15. 2026-09-17 17:31 UTCGHSA enrichment
  16. 2026-09-17 12:45 UTCGHSA enrichment
  17. 2026-09-17 08:23 UTCGHSA enrichment
  18. 2026-09-17 04:08 UTCGHSA enrichment
  19. 2026-09-16 23:54 UTCGHSA enrichment
  20. 2026-09-16 19:40 UTCGHSA enrichment
  21. 2026-09-16 15:26 UTCGHSA enrichment
  22. 2026-09-16 14:10 UTCCISA KEV update
  23. 2026-09-16 11:11 UTCGHSA enrichment
  24. 2026-09-16 06:58 UTCGHSA enrichment
  25. 2026-09-16 02:43 UTCGHSA enrichment
Show 75 more
  1. 2026-09-15 22:29 UTCGHSA enrichment
  2. 2026-09-15 18:14 UTCGHSA enrichment
  3. 2026-09-15 14:00 UTCGHSA enrichment
  4. 2026-09-15 09:46 UTCGHSA enrichment
  5. 2026-09-15 05:31 UTCGHSA enrichment
  6. 2026-09-15 01:16 UTCGHSA enrichment
  7. 2026-09-14 21:02 UTCGHSA enrichment
  8. 2026-09-14 19:24 UTCCISA KEV update
  9. 2026-09-14 16:42 UTCGHSA enrichment
  10. 2026-09-14 12:28 UTCGHSA enrichment
  11. 2026-09-14 08:14 UTCGHSA enrichment
  12. 2026-09-14 04:00 UTCGHSA enrichment
  13. 2026-09-13 23:46 UTCGHSA enrichment
  14. 2026-09-13 19:32 UTCGHSA enrichment
  15. 2026-09-13 15:18 UTCGHSA enrichment
  16. 2026-09-13 11:04 UTCGHSA enrichment
  17. 2026-09-13 06:50 UTCGHSA enrichment
  18. 2026-09-13 02:35 UTCGHSA enrichment
  19. 2026-09-12 22:22 UTCGHSA enrichment
  20. 2026-09-12 18:08 UTCEG score recompute
  21. 2026-09-12 18:08 UTCGHSA enrichment
  22. 2026-09-12 14:55 UTCEPSS rescore
  23. 2026-09-12 13:54 UTCGHSA enrichment
  24. 2026-09-12 09:40 UTCGHSA enrichment
  25. 2026-09-12 05:26 UTCGHSA enrichment
  26. 2026-09-12 01:12 UTCGHSA enrichment
  27. 2026-09-11 20:58 UTCGHSA enrichment
  28. 2026-09-11 18:49 UTCCISA KEV update
  29. 2026-09-11 16:44 UTCGHSA enrichment
  30. 2026-09-11 12:29 UTCGHSA enrichment
  31. 2026-09-11 08:11 UTCGHSA enrichment
  32. 2026-09-11 03:57 UTCGHSA enrichment
  33. 2026-09-10 23:43 UTCGHSA enrichment
  34. 2026-09-10 19:29 UTCGHSA enrichment
  35. 2026-09-10 19:28 UTCCISA KEV update
  36. 2026-09-10 15:15 UTCGHSA enrichment
  37. 2026-09-10 11:01 UTCEG score recompute
  38. 2026-09-10 11:00 UTCGHSA enrichment
  39. 2026-09-10 06:46 UTCGHSA enrichment
  40. 2026-09-10 02:32 UTCGHSA enrichment
  41. 2026-09-09 22:18 UTCGHSA enrichment
  42. 2026-09-09 19:08 UTCCISA KEV update
  43. 2026-09-09 18:01 UTCGHSA enrichment
  44. 2026-09-09 13:47 UTCGHSA enrichment
  45. 2026-09-09 09:33 UTCGHSA enrichment
  46. 2026-09-09 05:18 UTCGHSA enrichment
  47. 2026-09-09 01:05 UTCGHSA enrichment
  48. 2026-09-08 20:51 UTCGHSA enrichment
  49. 2026-09-08 18:54 UTCCISA KEV update
  50. 2026-09-08 16:36 UTCGHSA enrichment
  51. 2026-09-08 12:16 UTCGHSA enrichment
  52. 2026-09-08 08:00 UTCGHSA enrichment
  53. 2026-09-08 03:46 UTCGHSA enrichment
  54. 2026-09-07 23:32 UTCGHSA enrichment
  55. 2026-09-07 19:18 UTCGHSA enrichment
  56. 2026-09-07 15:04 UTCGHSA enrichment
  57. 2026-09-07 10:49 UTCGHSA enrichment
  58. 2026-09-07 06:34 UTCGHSA enrichment
  59. 2026-09-07 02:20 UTCGHSA enrichment
  60. 2026-09-06 22:03 UTCGHSA enrichment
  61. 2026-09-06 17:49 UTCEG score recompute
  62. 2026-09-06 17:49 UTCGHSA enrichment
  63. 2026-09-06 13:43 UTCEPSS rescore
  64. 2026-09-06 13:35 UTCGHSA enrichment
  65. 2026-09-06 09:20 UTCGHSA enrichment
  66. 2026-09-06 05:06 UTCGHSA enrichment
  67. 2026-09-06 00:51 UTCGHSA enrichment
  68. 2026-09-05 20:36 UTCGHSA enrichment
  69. 2026-09-05 16:22 UTCEG score recompute
  70. 2026-09-05 16:22 UTCGHSA enrichment
  71. 2026-09-05 15:23 UTCEPSS rescore
  72. 2026-09-05 12:08 UTCGHSA enrichment
  73. 2026-09-05 07:53 UTCGHSA enrichment
  74. 2026-09-05 03:39 UTCGHSA enrichment
  75. 2026-09-04 23:25 UTCGHSA enrichment

Publicly available exploits

(3 references)

Working exploit code is in the public domain (2 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCcucadili/CVE-2017-3066
    First seen Oct 9, 2019

    The study of vulnerability CVE-2017-3066. Java deserialization

    Open source ↗
  • GitHub PoCcodewhitesec/ColdFusionPwn
    First seen Mar 12, 2018

    Exploitation Tool for CVE-2017-3066 targeting Adobe Coldfusion 11/12

    Open source ↗
  • Exploit-DBEDB-43993
    First seen Feb 7, 2018

    Adobe Coldfusion 11.0.03.292866 - BlazeDS Java Object Deserialization Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2017-3066?
CVE-2017-3066 is a critical vulnerability published on April 27, 2017. Adobe ColdFusion 2016 Update 3 and earlier, ColdFusion 11 update 11 and earlier, ColdFusion 10 Update 22 and earlier have a Java deserialization vulnerability in the Apache BlazeDS library. Successful exploitation could lead to arbitrary code execution.
When was CVE-2017-3066 disclosed?
CVE-2017-3066 was first published in the National Vulnerability Database on April 27, 2017, 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-2017-3066 actively exploited?
Yes. CISA added CVE-2017-3066 to the Known Exploited Vulnerabilities catalog on February 24, 2025, affecting Adobe ColdFusion. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2017-3066?
CVE-2017-3066 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2017-3066?
CVE-2017-3066 affects Adobe ColdFusion. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2017-3066?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-3066, 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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