What is CVE-2023-44350?

CVE-2023-44350 is a critical-severity vulnerability in Adobe Coldfusion, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-11-17.

How severe is CVE-2023-44350?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-44350 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Adobe Coldfusion

CVE-2023-44350

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.

Vulnerability class: Insecure Deserialization

Published 2023-11-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.646 (99.2th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.646 · newest: 0.646 · change: 0.000

Affected products

Adobe Coldfusion — versions 2023, 0, 2021

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

helpx.adobe.com/security/products/coldfusion/apsb23-52.html (vendor-advisory, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-44350?: CVE-2023-44350 is a critical-severity vulnerability in Adobe Coldfusion, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-11-17.
How severe is CVE-2023-44350?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-44350 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.