CVE-2023-38204 Bypass APSB23-41 (CVE-2023-38203) - Pre-Auth RCE ColdFusion 2021 Update 8

Critical 9.8 Published 14 Sep 2023 Updated 27 Feb 2025

Attackers can achieve remote code execution on Adobe ColdFusion servers by exploiting a deserialization vulnerability without user interaction.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-38204?

CVE-2023-38204 is a critical unsafe deserialization vulnerability in Adobe Coldfusion, published on 14 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Adobe ColdFusion versions 2018u18 (and earlier), 2021u8 (and earlier) and 2023u2 (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.

Weakness: CWE-502

Which versions are affected by CVE-2023-38204?

It affects 1 product.

Products include Adobe Coldfusion.

How do I fix CVE-2023-38204?

No fix has been published for CVE-2023-38204 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2023-38204 being exploited?

There is no known exploitation of CVE-2023-38204 in the wild and no public exploit code.

All Adobe Coldfusion vulnerabilities

Sources

Also known as GHSA-77p2-6w3v-xjv8.