CVE-2020-28871

Remote code execution in Monitorr v1.7.6m in upload.php allows an unauthorized person to execute arbitrary code on the server-side via an insecure file upload.

• CWE-434

• http://packetstormsecurity.com/files/163263/Monitorr-1.7.6m-Bypass-Information-Disclosure-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/170974/Monitorr-1.7.6-Shell-Upload.html
• http://packetstormsecurity.com/files/171429/Monitorr-1.7.6m-1.7.7d-Remote-Code-Execution.html
• https://lyhinslab.org/index.php/2020/09/12/how-the-white-box-hacking-works-authorization-bypass-and-remote-code-execution-in-monitorr-1-7-6/Exploit, Third Party Advisory
• https://www.exploit-db.com/exploits/48980Exploit, Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/163263/Monitorr-1.7.6m-Bypass-Information-Disclosure-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/170974/Monitorr-1.7.6-Shell-Upload.html
• http://packetstormsecurity.com/files/171429/Monitorr-1.7.6m-1.7.7d-Remote-Code-Execution.html
• https://lyhinslab.org/index.php/2020/09/12/how-the-white-box-hacking-works-authorization-bypass-and-remote-code-execution-in-monitorr-1-7-6/Exploit, Third Party Advisory
• https://www.exploit-db.com/exploits/48980Exploit, Third Party Advisory, VDB Entry

Published

Feb 10, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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