RCE in Wcchandler Pinger
CVE-2020-37123
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.032 (87.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.032 · change: +0.001
Affected products
- Wcchandler Pinger — versions 1.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/48323 (exploit)
- github.com/wcchandler/pinger (product)
- www.vulncheck.com/advisories/pinger-remote-code-execution (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37123?
- CVE-2020-37123 is a critical-severity vulnerability in Wcchandler Pinger, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-02-05.
- How severe is CVE-2020-37123?
- Critical severity. CVSS v3 base score is 9.8 out of 10.