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    CVE-2007-2165

    The Auth API in ProFTPD before 20070417, when multiple simultaneous authentication modules are configured, does not require that the module that checks authentication is the same as the module that retrieves authentication data, which might allow remote attackers to bypass authentication, as demonstrated by use of SQLAuthTypes Plaintext in mod_sql, with data retrieved from /etc/passwd.

    Published:Apr 22, 2007
    Last Modified:Apr 23, 2026
    EPS:Apr 22, 2007
    EPSS Score:0.02494
    CVSS Score:5.1

    Affected Products

    Vendor
    Proftpd Project
    Product
    Proftpd

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-53994 (CVSS 7.7) — ProFTPD mod_sftp contains a heap-based buffer overflow reachable by an authenticated SFTP user. The fxp_packet…
    CVE-2026-35025 (CVSS 8.6) — ProFTPD through 1.3.9b and 1.3.10rc2 contains an access control bypass vulnerability that allows authenticated…
    CVE-2010-20103 (CVSS 9.3) — A malicious backdoor was embedded in the official ProFTPD 1.3.3c source tarball distributed between November 2…
    CVE-2009-0542 (CVSS 7.5) — SQL injection vulnerability in ProFTPD Server 1.3.1 through 1.3.2rc2 allows remote attackers to execute arbitr…
    CVE-2008-4242 (CVSS 6.8) — ProFTPD 1.3.1 interprets long commands from an FTP client as multiple commands, which allows remote attackers …
    CVE-2006-6563 (CVSS 6.6) — Stack-based buffer overflow in the pr_ctrls_recv_request function in ctrls.c in the mod_ctrls module in ProFTP…
    CVE-2006-6171 (CVSS 7.5) — ProFTPD 1.3.0a and earlier does not properly set the buffer size limit when CommandBufferSize is specified in …
    CVE-2006-6170 (CVSS 7.5) — Buffer overflow in the tls_x509_name_oneline function in the mod_tls module, as used in ProFTPD 1.3.0a and ear…
    CVE-2006-5815 (CVSS 10) — Stack-based buffer overflow in the sreplace function in ProFTPD 1.3.0 and earlier allows remote attackers, pro…
    CVE-2005-4816 (CVSS 7.5) — Buffer overflow in mod_radius in ProFTPD before 1.3.0rc2 allows remote attackers to cause a denial of service …

    References

    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=419255
    http://bugs.proftpd.org/show_bug.cgi?id=2922
    http://osvdb.org/34602
    http://secunia.com/advisories/24867
    http://secunia.com/advisories/25724
    http://secunia.com/advisories/27516
    http://securitytracker.com/id?1017931
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:130
    http://www.securityfocus.com/bid/23546
    http://www.vupen.com/english/advisories/2007/1444
    https://bugzilla.redhat.com/show_bug.cgi?id=237533
    https://exchange.xforce.ibmcloud.com/vulnerabilities/33733
    https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00065.html
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=419255
    http://bugs.proftpd.org/show_bug.cgi?id=2922
    http://osvdb.org/34602
    http://secunia.com/advisories/24867
    http://secunia.com/advisories/25724
    http://secunia.com/advisories/27516
    http://securitytracker.com/id?1017931
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:130
    http://www.securityfocus.com/bid/23546
    http://www.vupen.com/english/advisories/2007/1444
    https://bugzilla.redhat.com/show_bug.cgi?id=237533
    https://exchange.xforce.ibmcloud.com/vulnerabilities/33733
    https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00065.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High