CVE-2023-44353: ColdFusion WDDX Deserialization Gadgets

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 80.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-11-17 · updated 2026-06-17
Weakness: CWE-502

Description

Adobe ColdFusion versions 2023.5 (and earlier) and 2021.11 (and earlier) are affected by an Deserialization of Untrusted Data vulnerability that could result in Arbitrary code execution. Exploitation of this issue does not require user interaction.

Affected products

Adobe ColdFusion: before 2021; 2021, 2021-update1, 2021-update10, 2021-update11, 2021-update2, 2021-update3 (+12) — fixed in 2021

How to fix

Upgrade to a fixed version: Adobe ColdFusion 2021. Check the vendor advisory for mitigations.

References

https://helpx.adobe.com/security/products/coldfusion/apsb23-52.html
https://helpx.adobe.com/security/products/coldfusion/apsb23-52.html

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