CVE-2023-38203 is a vulnerability in Adobe ColdFusion
Published on July 20, 2023

Adobe ColdFusion versions 2018u17 (and earlier), 2021u7 (and earlier) and 2023u1 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in Arbitrary code execution. Exploitation of this issue does not require user interaction.

Vendor Advisory NVD

Known Exploited Vulnerability

This Adobe ColdFusion Deserialization of Untrusted Data Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Adobe ColdFusion contains a deserialization of untrusted data vulnerability that allows for code execution.

The following remediation steps are recommended / required by January 29, 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vulnerability Analysis

CVE-2023-38203 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. It has the highest possible exploitability rating (3.9). 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.

What is a Marshaling, Unmarshaling Vulnerability?

The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

CVE-2023-38203 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.

Products Associated with CVE-2023-38203

You can be notified by stack.watch whenever vulnerabilities like CVE-2023-38203 are published in these products:

Adobe ColdFusion

What versions of ColdFusion are vulnerable to CVE-2023-38203?