CVE-2020-37071

CVE Database · CVE-2020-37071

CVE-2020-37071

· CRITICALDeferred

CVSS v3.1

9.8

CVSS v4.0

9.3

EPSS

0.61%

Published

Feb 3, 2026

Modified

Apr 14, 2026

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-502

References (5)

https://craftcms.com/

https://gitlab.com/wguest/craftcms-vcard-exploit

https://plugins.craftcms.com/vcard

https://www.exploit-db.com/exploits/48492

https://www.vulncheck.com/advisories/craftcms-vcard-plugin-remote-code-execution

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