How severe is CVE-2007-6737?

CVE-2007-6737 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2007-6737 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6737?

CVE-2007-6737 primarily affects G.rodola Pyftpdlib. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-6737?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-6737 published?

CVE-2007-6737 was published on 2010-10-19 and last updated on 2026-06-16.

CVE-2007-6737

CVE-2007-6737 is a high-severity vulnerability in G.rodola Pyftpdlib with a CVSS 2.0 base score of 7.5. 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-287.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: G.rodola Pyftpdlib
Published: 2010-10-19
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2007-6737?: 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.
How severe is CVE-2007-6737?: CVE-2007-6737 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2007-6737 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6737?: CVE-2007-6737 primarily affects G.rodola Pyftpdlib. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-6737?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-6737 published?: CVE-2007-6737 was published on 2010-10-19 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:g.rodola:pyftpdlib:*:*:*:*:*:*:*:*
cpe:2.3:a:g.rodola:pyftpdlib:0.1:*:*:*:*:*:*:*

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-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.
CVE-2007-6738 — Medium (CVSS 5.0): pyftpdlib before 0.1.1 does not choose a random value for the port associated with the PASV command, which makes it…

All CVEs affecting G.rodola Pyftpdlib →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →