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
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 91%CVSS: 9.8Exploit: NoneExposed: 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
99.8%
KEV
⚠ Exploited

Published

April 27, 2017

Last Modified

April 22, 2026

Advisory Details (4)

Auto-updated May 12, 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
http://www.securitytracker.com/id/1038364
generic
http://www.securityfocus.com/bid/98003

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 49× in last 7d / 196× 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 372 total refreshes for this CVE.

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

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