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Case File

CVE-2009-5011

MEDIUM · CVSS 4.3 EPSS 0.93%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2010-10-19 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2009-5011
Severity
MEDIUM
CVSS
4.3
EPSS
0.93%

Original NVD Description

Race condition in the FTPHandler class in ftpserver.py in pyftpdlib before 0.5.2 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the getpeername function having an ENOTCONN error, a different vulnerability than CVE-2010-3494.