CVE-2020-3794Network attack vector

Remote code execution via webroot file inclusion

Published Mar 25, 2020 · Updated Aug 4, 2024

File inclusion in Adobe ColdFusion 2016 Update 13 and earlier and 2018 Update 7 and earlier allows remote attackers to execute code. Adobe has not disclosed the affected component or how untrusted input selects executable files from the webroot or its subdirectories. The attack is unauthenticated, but servers deployed with Adobe’s recommended lockdown installer are not affected.

CVSS severity9.8
Critical
EPSS probability7.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

File inclusion in Adobe ColdFusion 2016 Update 13 and earlier and 2018 Update 7 and earlier allows remote attackers to execute code. Adobe has not disclosed the affected component or how untrusted input selects executable files from the webroot or its subdirectories. The attack is unauthenticated, but servers deployed with Adobe’s recommended lockdown installer are not affected.

The record

CVE
CVE-2020-3794
Published
Mar 25, 2020
Updated
Aug 4, 2024
Vendor
Adobe
Product
ColdFusion
Classifications
CWE-829, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 25, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=ColdFusion 2016, and ColdFusion 2018 versions

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Adobe · ColdFusionversion=ColdFusion 2016, and ColdFusion 2018 versions

Published CVSS scores

10.0NIST NVDAV:N/AC:L/Au:N/C:C/I:C/A:C
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-829Inclusion of Functionality from Untrusted Control Sphere
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo