CVE-2020-37123 | Pinger 1.0 contains a remote code execution vulnerability th… | CVSS 9.8 CRITICAL

Description

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.

Metadata

CVE ID: CVE-2020-37123
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-02-03 16:27 UTC
Published: 2026-02-05 16:13 UTC
Last updated: 2026-02-06 20:34 UTC
Primary CWE: CWE-78
Improper Neutralization of Special Elements used in an OS Co…
Vendor / Product: wcchandler / Pinger
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
wcchandler	Pinger	—	1.0

Weakness (CWE)

CWE	Source	Description
CWE-78	cna	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3	CRITICAL	4.0	cna	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

References (3)

ExploitDB-48323 https://www.exploit-db.com/exploits/48323
Pinger GitHub Repository https://github.com/wcchandler/pinger
VulnCheck Advisory: Pinger 1.0 - Remote Code Execution https://www.vulncheck.com/advisories/pinger-remote-code-execution