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Vulnerability Intelligence

CVE-2017-3066

CriticalExploitedPublic exploit

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.

Published Apr 27, 2017 · Updated Apr 22, 2026

Key Facts

Patch immediately
  • CVE-2017-3066 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Coldfusion (Adobe), Adobe ColdFusion ColdFusion 2016 Update 3 and earlier, ColdFusion 11 update 11 and earlier, ColdFusion 10 Update 22 and earlier.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 30, 2018. Public exploit code is available.
  • EPSS estimates a 91% 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 it is listed as exploited in the wild.

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)

91%

Higher than 99.8% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

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Description

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.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVFeb 24, 2025Mar 17, 2025Not reported
Industry KEV feedAug 30, 2018Mar 17, 2025Not reported
CIRCL KEVFeb 24, 2025Mar 17, 2025Not reported
ENISA EUVDFeb 24, 2025n/aNot reported

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected Products

40 affected entries in total
ProductAffected versionsFixed in
ColdfusionAdobe10.0, 10.0-update1, 10.0-update10, 10.0-update11, 10.0-update12, 10.0-update13, 10.0-update14, 10.0-update15n/a
Adobe ColdFusion ColdFusion 2016 Update 3 and earlier, ColdFusion 11 update 11 and earlier, ColdFusion 10 Update 22 and earlier>= Adobe ColdFusion ColdFusion 2016 Update 3 and earlier, ColdFusion 11 update 11 and earlier, ColdFusion 10 Update 22 and earliern/a

Timeline

  1. Publicly disclosed

    Apr 27, 2017

  2. Added to Industry KEV feed

    Aug 30, 2018

  3. Added to CISA KEV

    Feb 24, 2025

  4. Added to CIRCL KEV

    Feb 24, 2025

  5. Added to ENISA EUVD

    Feb 24, 2025

  6. Last updated

    Apr 22, 2026

Weakness Type

  • CWE-502 Deserialization of Untrusted Data

References

9 more references in the full CVE brief

FAQ

Common Questions.

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