SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2018-4939

Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

KEVCRITICAL 9.8EPSS 62.1%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
62.08% probability · 99th percentile
CISA KEV
Listed 3 November 2021 · due 3 May 2022
Weakness
CWE-502
Affected
adobe/coldfusion
Source
psirt@adobe.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-4939

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.