CVE-2020-37123 CRITICAL

CVE-2020-37123: Pinger 1.0 - Remote Code Execution

Vendor Wcchandler
Product Pinger
Weakness CWE-78
Published February 5, 2026
Last update February 6, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

Pinger 1.0 contains a remote code execution vulnerability that allows attackers to inject shell commands through the ping and socket parameters. Attackers can exploit the unsanitized input in ping.php to write arbitrary PHP files and execute system commands by appending shell metacharacters.

Key dates

02Disclosure timeline

February 5, 2026 CVE published
February 6, 2026 Record updated