CVE-2018-4939

CRITICAL
9.8
CVSS Score
Published: May 19, 2018 at 05:00 PM UTC
Updated: June 17, 2026 at 01:59 AM UTC
1 product affected across 1 vendorColdFusion

Using Adobe ColdFusion ColdFusion Update 5 and earlier versions, ColdFusion 11 Update 13 and earlier versions by N/A?

Get instant alerts when new vulnerabilities affect Adobe ColdFusion ColdFusion Update 5 and earlier versions, ColdFusion 11 Update 13 and earlier versions - before attackers find them.

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Severity
CRITICAL9.8
Exploitation
CISA KEV
Exploit prediction
EPSS 62%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score62.0%

EPSS (Exploit Prediction Scoring System) estimates a 62.0% chance this CVE is exploited in the wild within the next 30 days — higher than 99% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could allow for code execution.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Nov 3, 2021
Remediation Due
May 3, 2022
1638 days overdue

Description

Adobe ColdFusion Update 5 and earlier versions, ColdFusion 11 Update 13 and earlier versions have an exploitable Deserialization of Untrusted Data vulnerability. Successful exploitation could lead to arbitrary code execution.

Affected

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/103718
Third Party AdvisoryUS Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4939

SSVC — Action Prioritization

SSVCActiveAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-502

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