CVE-2018-4939 is a vulnerability in Adobe ColdFusion
Published on May 19, 2018
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.
Known Exploited Vulnerability
This Adobe ColdFusion Deserialization of Untrusted Data vulnerability is part of CISA's list of Known Exploited Vulnerabilities. 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.
The following remediation steps are recommended / required by May 3, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2018-4939 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2018-4939 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Products Associated with CVE-2018-4939
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.