The ftp_QUIT function in ftpserver.py in pyftpdlib before 0.5.0 allows remote authenticated users to cause a denial of service (file descriptor exhaustion and daemon outage) by sending a QUIT command during a disallowed data-transfer attempt
Published Oct 19, 2010
5.3
MEDIUMCVSS 4.0
EPSS 1.35%
Description
The ftp_QUIT function in ftpserver.py in pyftpdlib before 0.5.0 allows remote authenticated users to cause a denial of service (file descriptor exhaustion and daemon outage) by sending a QUIT command during a disallowed data-transfer attempt.
Affected products
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.35% (0.01348) | 70.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.19% (0.01194) | 63.89th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.52% (0.00522) | 64.93th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.44% (0.01440) | 87.14th | v3 (v2023.03.01) |
| Sep 17, 2024 | 1.44% (0.01445) | 86.91th | v3 (v2023.03.01) |
| May 24, 2024 | 0.32% (0.00324) | 70.66th | v3 (v2023.03.01) |
| May 10, 2024 | 0.27% (0.00270) | 67.63th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.22% (0.00220) | 59.55th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.18% (0.00176) | 53.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.44% (0.01445) | 84.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.13% (0.01132) | 56.11th | v2 (v2022.01.01) |
| Sep 22, 2022 | 1.13% (0.01132) | 54.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.13% (0.01132) | 52.58th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.13% (0.01132) | 30.65th | v2 (v2022.01.01) |
References (8)
- http://code.google.com/p/pyftpdlib/issues/detail?id=71 x_refsource_CONFIRMExploitPatch
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY x_refsource_CONFIRM
- http://code.google.com/p/pyftpdlib/source/detail?r=344 x_refsource_CONFIRM
- http://code.google.com/p/pyftpdlib/source/diff?spec=svn344&r=344&format=side&path=/trunk/pyftpdlib/ftpserver.py x_refsource_CONFIRM
- https://github.com/advisories/GHSA-8p2c-fghc-9hj4 Advisory
- https://github.com/giampaolo/pyftpdlib/issues/71
- https://github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-6.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2008-7264
Change history (0)
No recorded changes yet.