CVE-2020-20276

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 18, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-202779.8There are multiple unauthenticated directory traversal vulnerabilities in different FTP commands in uftpd FTP server versions 2.7 to 2.10 duCVE-2020-20287.2An OS Command Injection vulnerability in PAN-OS management server allows authenticated administrators to execute arbitrary OS commands with CVE-2020-202855.4There is a XSS in the user login page in zzcms 2019. Users can inject js code by the referer header via user/login.phpCVE-2020-202879.8Unrestricted file upload vulnerability in the yccms 3.3 project. The xhUp function's improper judgment of the request parameters, triggers rCVE-2020-202899.8Sql injection vulnerability in the yccms 3.3 project. The no_top function's improper judgment of the request parameters, triggers a sql injeCVE-2020-20297.2An OS Command Injection vulnerability in the PAN-OS web management interface allows authenticated administrators to execute arbitrary OS comCVE-2020-202907.5Directory traversal vulnerability in the yccms 3.3 project. The delete, deletesite, and deleteAll functions' improper judgment of the requesCVE-2020-202949.8An issue was found in CMSWing project version 1.3.8. Because the log function does not check the log parameter, malicious parameters can exeCVE-2020-202959.8An issue was found in CMSWing project version 1.3.8. Because the updateAction function does not check the detail parameter, malicious parameCVE-2020-202969.8An issue was found in CMSWing project version 1.3.8, Because the rechargeAction function does not check the balance parameter, malicious parCVE-2020-202989.8Eval injection vulnerability in the parserCommom method in the ParserTemplate class in zzz_template.php in zzzphp 1.7.2 allows remote attackCVE-2020-202997.5WeiPHP 5.0 does not properly restrict access to pages, related to using POST.
CVE-2020-20276: Critical severity, CVSS 9.8 | Vulnix