Adobe ColdFusion versions 2018u16 (and earlier), 2021u6 (and earlier) and 2023.0.0.330468 (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.
View the template here CVE-2023-29300.yaml
References:
https://nvd.nist.gov/vuln/detail/CVE-2023-29300