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Vulnerability Intelligence

CVE-2018-15961

CriticalExploitedPublic exploit

Adobe ColdFusion versions July 12 release (2018.0.0.310739), Update 6 and earlier, and Update 14 and earlier have an unrestricted file upload vulnerability.

Published Mar 23, 2021 · Updated Oct 21, 2025 · Also known as TR-21-0257

Key Facts

Patch immediately
  • CVE-2018-15961 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting ColdFusion (Adobe).
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 3, 2021. Public exploit code is available.
  • EPSS estimates a 100% 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)

100%

Higher than 99.9% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2018-15961 brief as a PDF

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Description

Adobe ColdFusion versions July 12 release (2018.0.0.310739), Update 6 and earlier, and Update 14 and earlier have an unrestricted file upload vulnerability. Successful exploitation could lead to arbitrary code execution.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVNov 3, 2021May 3, 2022Not reported
Industry KEV feedNov 3, 2021May 3, 2022Not reported
CIRCL KEVNov 3, 2021May 3, 2022Not reported
ENISA EUVDNov 3, 2021n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

24 affected entries in total
ProductAffected versionsFixed in
ColdFusionAdobe11.0, 11.0-update1, 11.0-update10, 11.0-update11, 11.0-update12, 11.0-update13, 11.0-update14, 11.0-update2n/a

Timeline

  1. Publicly disclosed

    Mar 23, 2021

  2. Added to CISA KEV

    Nov 3, 2021

  3. Added to Industry KEV feed

    Nov 3, 2021

  4. Added to CIRCL KEV

    Nov 3, 2021

  5. Added to ENISA EUVD

    Nov 3, 2021

  6. Last updated

    Oct 21, 2025

Weakness Type

  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

15 more references in the full CVE brief

FAQ

Common Questions.

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