CVE-2020-37123

CriticalPublished

Pinger 1.0 - Remote Code Execution

Published: Feb 5, 2026
Updated: Feb 6, 2026
Assigning CNA: VulnCheck

Primary CVSS

9.3/ 10Critical

nvd · CVSS 4.0

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS probability estimate

3.3%

Low · next 30 days

Percentile: 88.7%
Model date: Nov 2, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Repository evidence: Files: 1 · Repositories: 1

1 Template

Pinger 1.0 - Remote Code ExecutionTemplate
http/cves/2020/CVE-2020-37123.yaml
Nuclei Templates
DetectionEvidence observed: Sep 26, 2026Revision: 6f886171c0a2Related tool
Declared conditions
- network: http($.protocol_keys)
- verification: status,word($.matchers[*].type)

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