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ProFTPD Project

6 known vulnerabilities.

ProFTPD Project at a glance

Last 12 months
5
Critical · all time
1
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
0 3 5 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 1 vulnerability Jun July 2026: 1 vulnerability August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 3 vulnerabilities November 2026: 0 vulnerabilities
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6 results · Feed

  • Medium 5.3

    ProFTPD through 1.3.9e and 1.3.10rc4 mod_copy Symlink Following Write Bypass

    ProFTPD through 1.3.9e and 1.3.10rc1 through 1.3.10rc4 contains a link-following vulnerability in mod_copy that allows authenticated FTP users to bypass Limit WRITE restrictions via symlinks. Attackers can place a symlink in a writable directory and use SITE …

  • Medium 4.3

    ProFTPD before 1.3.9e and 1.3.10rc5 mod_sftp Copy-File Authorization Bypass

    ProFTPD before 1.3.9e and 1.3.10rc5 contains an authorization bypass in the mod_sftp copy-file extension handler that skips Limit WRITE checks for new destination files. Authenticated SFTP users can copy any readable file to a new path in write-denied directo…

  • Medium 5.6

    ProFTPD before 1.3.9e and 1.3.10rc5 Buffer Overflow via mod_rewrite utf8trans RewriteMap

    ProFTPD before 1.3.9e and 1.3.10rc5 contains a buffer overflow vulnerability in the mod_rewrite int:utf8trans RewriteMap that allows remote attackers to overwrite static buffers. Attackers can send FTP command arguments longer than 1024 bytes, without authent…

  • High 7.5

    ProFTPD mod_sftp Heap Buffer Overflow via Unsigned Integer Underflow and Size Truncation

    ProFTPD mod_sftp contains a heap-based buffer overflow reachable by an authenticated SFTP user. The fxp_packet_read() function accepts the attacker-supplied 32-bit big-endian SFTP packet length without a minimum sanity check. A value of 0 causes an unsigned s…

  • High 8.1

    ProFTPD ACL Bypass via /proc/self/root Path Prefix in RNFR

    ProFTPD through 1.3.9b and 1.3.10rc2 contains an access control bypass vulnerability that allows authenticated FTP users to circumvent Directory ACL restrictions by prefixing paths with /proc/self/root in the RNFR command handler. Attackers can exploit the un…

  • Critical 9.3
    CVE-2010-20103 Public exploit EPSS 15%

    ProFTPD 1.3.3c Backdoor Command Execution

    A malicious backdoor was embedded in the official ProFTPD 1.3.3c source tarball distributed between November 28 and December 2, 2010. The backdoor implements a hidden FTP command trigger that, when invoked, causes the server to execute arbitrary shell command…