CVEvulnerability

CVE-2009-5011

4.3 MEDIUM Published 2010-10-19 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2010-10-19
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
CWE-362

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.

Affected configurations

• g.rodola pyftpdlib (<= 0.5.1) • g.rodola pyftpdlib 0.1 • g.rodola pyftpdlib 0.1.1 • g.rodola pyftpdlib 0.2.0 • g.rodola pyftpdlib 0.3.0 • g.rodola pyftpdlib 0.4.0 • g.rodola pyftpdlib 0.5.0

Related

Weakness · CWE (1)

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness

References