SEPTEMBER 22, 2026
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Case File

CVE-2020-20276

CRITICAL · CVSS 9.8 EPSS 3.29% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-12-18 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-20276
Severity
CRITICAL
CVSS
9.8
EPSS
3.29%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)