CVE-2020-18890

PoC —

CVSS 3.1

9.8 critical

EPSS

2%p73

Published

May 6, 2021 (May 6, 2021)

Modified

Jun 17, 2026

Description

Rmote Code Execution (RCE) vulnerability in puppyCMS v5.1 due to insecure permissions, which could let a remote malicious user getshell via /admin/functions.php.

Vendors: puppycms
Products: puppycms
Weakness: CWE-281
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.5%)

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