MEDIUM
FTPServer.py in pyftpdlib before 0.2.0 does not increment the attempted_logins count for a USER command that specifies an invalid username, which makes it easier for remote attackers to obtain access via a brute-force attack
Published Oct 19, 2010
6.9
MEDIUMCVSS 4.0
EPSS 2.11%
Description
FTPServer.py in pyftpdlib before 0.2.0 does not increment the attempted_logins count for a USER command that specifies an invalid username, which makes it easier for remote attackers to obtain access via a brute-force attack.
Affected products
Remediation
No remediation recorded yet.
Metrics
6.9 MEDIUM GHSA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Attack Vector Network
Attack Complexity Low
Attack Requirements None
Privileges Required None
User Interaction None
Vulnerable System Confidentiality Low
Vulnerable System Integrity Low
Vulnerable System Availability Low
Subsequent System Confidentiality None
Subsequent System Integrity None
Subsequent System Availability None
7.3 MEDIUM GHSA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact Low
Availability Impact Low
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.11% 0.02111
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02111
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 | 2.11% (0.02111) | 81.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.35% (0.01354) | 67.88th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.54% (0.00539) | 65.58th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.79% (0.00788) | 82.19th | v3 (v2023.03.01) |
| May 24, 2024 | 0.65% (0.00649) | 79.33th | v3 (v2023.03.01) |
| May 10, 2024 | 0.55% (0.00546) | 77.30th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.46% (0.00462) | 75.11th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.33% (0.00334) | 70.56th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00305) | 68.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.79% (0.00788) | 78.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (1)
References (8)
- http://code.google.com/p/pyftpdlib/issues/detail?id=20 x_refsource_CONFIRM
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY x_refsource_CONFIRM
- http://code.google.com/p/pyftpdlib/source/detail?r=23 x_refsource_CONFIRM
- http://code.google.com/p/pyftpdlib/source/diff?spec=svn23&r=23&format=side&path=/trunk/pyftpdlib/FTPServer.py x_refsource_CONFIRM
- https://github.com/advisories/GHSA-9x66-ghqx-8g5r Advisory
- https://github.com/giampaolo/pyftpdlib/issues/20
- https://github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-21.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2007-6737
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 19, 2010
Updated Sep 17, 2024
Reserved Oct 19, 2010
Link CVE-2007-6737
CISA Vulnrichment
GHSA-9X66-GHQX-8G5R Updated n/a