CVE-2020-37071
Unknown Unknown - Not Provided
Deserialization Vulnerability in CraftCMS vCard Plugin Enables RCE

Publication date: 2026-02-03

Last updated on: 2026-02-03

Assigner: VulnCheck

Description
CraftCMS 3 vCard Plugin 1.0.0 contains a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary PHP code through a crafted payload. Attackers can generate a malicious serialized payload that triggers remote code execution by exploiting the plugin's vCard download functionality with a specially crafted request.
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Meta Information
Published
2026-02-03
Last Modified
2026-02-03
Generated
2026-06-16
AI Q&A
2026-02-04
EPSS Evaluated
2026-06-15
NVD
CVE-2020-37071
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
craftcms vcard_plugin 1.0.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
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Executive Summary

CVE-2020-37071 is a deserialization vulnerability in the CraftCMS 3 vCard Plugin version 1.0.0. It allows unauthenticated attackers to execute arbitrary PHP code by sending a specially crafted serialized payload. This payload exploits the plugin's vCard download functionality, triggering remote code execution on the affected system.

Impact Analysis

This vulnerability can have severe impacts as it allows remote attackers to execute arbitrary PHP code without authentication. This means attackers could take full control of the affected system, potentially leading to data theft, system compromise, service disruption, or further attacks within the network.

Compliance Impact

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Detection Guidance

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