How severe is CVE-2009-5013?

CVE-2009-5013 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2009-5013 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-5013?

CVE-2009-5013 primarily affects G.rodola Pyftpdlib. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-5013?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-5013 published?

CVE-2009-5013 was published on 2010-10-19 and last updated on 2026-06-16.

CVE-2009-5013

CVE-2009-5013 is a medium-severity vulnerability in G.rodola Pyftpdlib with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: G.rodola Pyftpdlib
Published: 2010-10-19
Last modified: 2026-06-16

Description

Memory leak in the on_dtp_close function in ftpserver.py in pyftpdlib before 0.5.2 allows remote authenticated users to cause a denial of service (memory consumption) by sending a QUIT command during a data transfer.

Frequently asked questions

What is CVE-2009-5013?: Memory leak in the on_dtp_close function in ftpserver.py in pyftpdlib before 0.5.2 allows remote authenticated users to cause a denial of service (memory consumption) by sending a QUIT command during a data transfer.
How severe is CVE-2009-5013?: CVE-2009-5013 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2009-5013 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-5013?: CVE-2009-5013 primarily affects G.rodola Pyftpdlib. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-5013?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-5013 published?: CVE-2009-5013 was published on 2010-10-19 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:g.rodola:pyftpdlib:*:*:*:*:*:*:*:*
cpe:2.3:a:g.rodola:pyftpdlib:0.1:*:*:*:*:*:*:*
cpe:2.3:a:g.rodola:pyftpdlib:0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:g.rodola:pyftpdlib:0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:g.rodola:pyftpdlib:0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:g.rodola:pyftpdlib:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:g.rodola:pyftpdlib:0.5.0:*:*:*:*:*:*:*

More vulnerabilities in G.rodola Pyftpdlib

CVE-2008-7263 — High (CVSS 7.5): ftpserver.py in pyftpdlib before 0.5.0 does not delay its response after receiving an invalid login attempt, which…
CVE-2007-6737 — High (CVSS 7.5): FTPServer.py in pyftpdlib before 0.2.0 does not increment the attempted_logins count for a USER command that specifies…
CVE-2008-7262 — Medium (CVSS 6.5): Multiple directory traversal vulnerabilities in FTPServer.py in pyftpdlib before 0.3.0 allow remote authenticated users…
CVE-2007-6741 — Medium (CVSS 6.5): The ftp_PORT function in FTPServer.py in pyftpdlib before 0.2.0 does not prevent TCP connections to privileged ports if…
CVE-2007-6736 — Medium (CVSS 6.5): Multiple directory traversal vulnerabilities in FTPServer.py in pyftpdlib before 0.2.0 allow remote authenticated users…
CVE-2007-6739 — Medium (CVSS 5.0): FTPServer.py in pyftpdlib before 0.2.0 allows remote attackers to cause a denial of service via a long command.

All CVEs affecting G.rodola Pyftpdlib →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →