CVE-2020-37071
Deserialization Vulnerability in CraftCMS vCard Plugin Enables RCE
Publication date: 2026-02-03
Last updated on: 2026-02-03
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| craftcms | vcard_plugin | 1.0.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-502 | The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know