How severe is CVE-2023-44353?

CVE-2023-44353 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2023-44353?

Affected package information for CVE-2023-44353 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2023-44353?

No fixed version has been published for CVE-2023-44353 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2023-44353 actively exploited in the wild?

No public exploit code has been indexed for CVE-2023-44353 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2023-44353?

CVE-2023-44353 has an EPSS (Exploit Prediction Scoring System) score of 90.9%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

What type of vulnerability is CVE-2023-44353?

CVE-2023-44353 is classified as Deserialization of Untrusted Data (CWE-502). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

Which products and versions are affected by CVE-2023-44353?

CVE-2023-44353 affects adobe coldfusion (2 versions, e.g. 2021, 2023). Check the affected-products list on this page against your deployed version to confirm exposure.

Is there exploit tooling available for CVE-2023-44353?

A Nuclei detection template exists for CVE-2023-44353, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2023-44353 published, and has it been updated?

CVE-2023-44353 was published on November 17, 2023 and was last updated on November 21, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2023-44353: Coldfusion Deserialization of Untrusted Data (C…

EPSS Exploitation Probability

via FIRST.org ↗

90.9%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

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.

Affected Products

1 product · 19 configurations

Application

coldfusionadobe

< 2021

2 versions

20212023

Frequently Asked Questions

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.

O3 Security · Impact-Aware SCA

Is CVE-2023-44353 in your stack?

O3 detects CVE-2023-44353 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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