--- id: CVE-2015-3306 title: >- The mod_copy module in ProFTPD 1.3.5 allows remote attackers to read and write to arbitrary files via the site cpfr and site cpto commands. summary: >- The mod_copy module in ProFTPD 1.3.5 allows remote attackers to read and write to arbitrary files via the site cpfr and site cpto commands. severity: critical cvss: 10 cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H' cwe: - CWE-284 vendor: proftpd product: proftpd affected: - fedora = 20 - fedora = 21 - fedora = 22 - debian_linux = 7.0 - debian_linux = 8.0 - debian_linux = 9.0 - tumbleweed - linux_enterprise_server = 15 - proftpd = 1.3.5 published: '2015-05-18' updated: '2026-10-09' sourceUpdated: '2026-10-09T16:17:18.210' source: NVD sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2015-3306' references: - url: >- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157053.html label: cve@mitre.org - url: >- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157054.html label: cve@mitre.org - url: >- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157581.html label: cve@mitre.org - url: 'http://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html' label: cve@mitre.org - url: 'http://packetstormsecurity.com/files/131505/ProFTPd-1.3.5-File-Copy.html' label: cve@mitre.org - url: >- http://packetstormsecurity.com/files/131555/ProFTPd-1.3.5-Remote-Command-Execution.html label: cve@mitre.org - url: >- http://packetstormsecurity.com/files/131567/ProFTPd-CPFR-CPTO-Proof-Of-Concept.html label: cve@mitre.org - url: >- http://packetstormsecurity.com/files/132218/ProFTPD-1.3.5-Mod_Copy-Command-Execution.html label: cve@mitre.org - url: >- http://packetstormsecurity.com/files/162777/ProFTPd-1.3.5-Remote-Command-Execution.html label: cve@mitre.org - url: 'http://www.debian.org/security/2015/dsa-3263' label: cve@mitre.org - url: 'http://www.rapid7.com/db/modules/exploit/unix/ftp/proftpd_modcopy_exec' label: cve@mitre.org - url: 'http://www.securityfocus.com/bid/74238' label: cve@mitre.org - url: 'https://www.exploit-db.com/exploits/36742/' label: cve@mitre.org - url: 'https://www.exploit-db.com/exploits/36803/' label: cve@mitre.org - url: >- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157053.html label: af854a3a-2127-422b-91ae-364da2661108 - url: >- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157054.html label: af854a3a-2127-422b-91ae-364da2661108 - url: >- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157581.html label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://packetstormsecurity.com/files/131505/ProFTPd-1.3.5-File-Copy.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: >- http://packetstormsecurity.com/files/131555/ProFTPd-1.3.5-Remote-Command-Execution.html label: af854a3a-2127-422b-91ae-364da2661108 - url: >- http://packetstormsecurity.com/files/131567/ProFTPd-CPFR-CPTO-Proof-Of-Concept.html label: af854a3a-2127-422b-91ae-364da2661108 - url: >- http://packetstormsecurity.com/files/132218/ProFTPD-1.3.5-Mod_Copy-Command-Execution.html label: af854a3a-2127-422b-91ae-364da2661108 - url: >- http://packetstormsecurity.com/files/162777/ProFTPd-1.3.5-Remote-Command-Execution.html label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.debian.org/security/2015/dsa-3263' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.rapid7.com/db/modules/exploit/unix/ftp/proftpd_modcopy_exec' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.securityfocus.com/bid/74238' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://www.exploit-db.com/exploits/36742/' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://www.exploit-db.com/exploits/36803/' label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-3306 label: 134c704f-9b21-4f2e-91b3-4a467353bcc0 - url: >- https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-3306.json - url: 'https://access.redhat.com/security/cve/CVE-2015-3306' - url: 'https://www.cve.org/CVERecord?id=CVE-2015-3306' tags: - nvd - kev - in-the-wild - exploit-available - cve.org - csaf - vex - red-hat epss: 0.99497 epssPercentile: 0.99945 kev: true kevDateAdded: '2026-10-08' kevDueDate: '2026-10-11' kevRansomware: false exploited: true exploits: exploitdb: true github: 18 githubRepos: - 'https://github.com/xyk0x/cpx_proftpd' - 'https://github.com/nootropics/propane' - 'https://github.com/t0kx/exploit-CVE-2015-3306' metasploit: - exploit/unix/ftp/proftpd_modcopy_exec nuclei: - network/cves/2015/CVE-2015-3306 checkedAt: '2026-10-11T14:25:53.697Z' exploitAvailable: true ssvc: exploitation: active automatable: 'no' technicalImpact: total timestamp: '2026-10-08T17:40:17.854858Z' ingestedAt: '2026-10-08T17:56:11.728Z' --- ## Overview The mod_copy module in ProFTPD 1.3.5 allows remote attackers to read and write to arbitrary files via the site cpfr and site cpto commands. ## Affected - `fedora = 20` - `fedora = 21` - `fedora = 22` - `debian_linux = 7.0` - `debian_linux = 8.0` - `debian_linux = 9.0` - `tumbleweed` - `linux_enterprise_server = 15` - `proftpd = 1.3.5` ## Remediation Refer to the linked advisories for vendor-supplied fixes and affected version ranges. ## Vendor advisories - **Red Hat VEX** · updated 2026-10-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-3306.json)