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CVE-2023-38203: Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2024-01-08
• EPSS: 97.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-07-20 · updated 2026-06-17
• Weakness: CWE-502

Description

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.

Affected products

• Adobe ColdFusion: 2018, 2018-update1, 2018-update10, 2018-update11, 2018-update12, 2018-update13 (+22)

References

• https://helpx.adobe.com/security/products/coldfusion/apsb23-41.html
• https://helpx.adobe.com/security/products/coldfusion/apsb23-41.html
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38203

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