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critical·Product Based Web Vulnerabilities·Updated Oct 8, 2024

CVE-2023-38203 Scanner

CVE-2023-38203 Scanner - Deserialization of Untrusted Data vulnerability in Adobe ColdFusion

Est. Time~10 seconds
Scan TypeSingle Scan
Targetsdomain, ipv4, subdomain
CostFree
2.6k
Times Used
continuous scan runs
5.5k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
🔴
CISA Known Exploited Vulnerability
This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.
CVECVE-2023-38203
9.8
CVSScritical
Exploitable remotely over the internet · no authentication required.

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.

Attack Vector
Network
Privileges Req.
None
User Interaction
None
Affected
ColdFusionby Adobe
0
Updated Aug 22, 2026View on NVD →
Detail

Adobe ColdFusion is a popular application development platform used by developers worldwide to create and deploy web applications. It is prevalent in large enterprises and government organizations for its robust features and ease of integration with other technologies. Organizations use ColdFusion to quickly build scalable and secure applications with minimal coding. ColdFusion supports multiple platforms and is especially favored in environments requiring rapid application development. However, its usage demands high security diligence due to the complexity of applications it supports. Keeping software updated is critical to managing risks associated with vulnerabilities.

The "Deserialization of Untrusted Data" vulnerability can lead to severe security implications, as it allows attackers to input malicious data that the application erroneously processes, leading to potential code execution. Deserialization vulnerabilities occur when untrusted data is used to abuse the logic of an application, causing unexpected behavior. This particular flaw in Adobe ColdFusion enables attackers to potentially execute arbitrary code without user interaction. It represents a critical risk, especially in hosting environments where multiple applications may be affected. Such vulnerabilities highlight the need for thorough validation and sanitation of data input into applications.

Technical exploitation of this vulnerability involves sending specially crafted requests to vulnerable endpoints within the ColdFusion server. Attackers exploit endpoints that mistakenly deserialize potentially harmful data. The issue is prevalent in specific methods within admin APIs, which do not adequately validate incoming payloads. This allows attackers to embed arbitrary payloads that get executed within the application's context. Exploiting this vulnerability could lead to unauthorized access, data compromise, or full system takeover.

If successfully exploited, this vulnerability could allow malicious actors to execute arbitrary code within the context of the vulnerable Adobe ColdFusion server, leading to data breaches and system compromise. Affected systems can also be used as launchpads for further attacks in a network, posing significant threats to enterprise security. The exploitation might result in data leakage, service disruption, or even financial losses to organizations using affected software.

REFERENCES

Solution Advice
  • Upgrade Adobe ColdFusion to versions ColdFusion 2018 Update 18, ColdFusion 2021 Update 8, or ColdFusion 2023 Update 2 or later.
  • Implement stringent input validation mechanisms to prevent deserialization of untrusted data.
  • Regularly audit and update applications and libraries to ensure vulnerabilities are patched.
  • Use web application firewalls to reduce the risk of exploitation.
  • Conduct thorough security assessments and testing to identify similar vulnerabilities in the application.

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