CVE-2023-38203 CRITICAL

CVE-2023-38203: Analysis CVE-2023-29300 Bypass: Adobe ColdFusion Pre-Auth RCE

Vendor Adobe
Product ColdFusion
Weakness CWE-502 · Unsafe deserialization
KEV Status Known Exploited
Ransomware Used in campaigns
Published July 20, 2023
Last update October 21, 2025
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

CISA mandated remediation

02CISA Required Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Key dates

03Disclosure timeline

July 20, 2023 CVE published
October 21, 2025 Record updated