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CVE-2009-5011

nvd nist
Published: Oct 19, 2010Modified: Apr 29, 2026

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4.3
Vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Exploitability: 8.6 / Impact: 2.9
Source: 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.

Affected (7)

Products: G.rodola: Pyftpdlib
G.rodola
1 product
Pyftpdlib
Configuration A
7 vulnerable
Vulnerable SoftwareAffected Versions
G.rodola
Pyftpdlib
Up to 0.5.1
Pyftpdlib
Version 0.1.1
Pyftpdlib
Version 0.1
Pyftpdlib
Version 0.2.0
Pyftpdlib
Version 0.3.0
Pyftpdlib
Version 0.4.0
Pyftpdlib
Version 0.5.0

Related CWEs

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (8)

Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.