CVE-2020-37071

9.3 criticalEPSS 0.7%

Critical (9.3). EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

9.8 critical

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-502
Published: 2026-02-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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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