{"id":"CVE-2015-3306","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-3306","generatedAt":"2026-10-31T22:33:39.789Z","title":"ProFTPD Improper Access Control Vulnerability","description":"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.","published":"2015-05-18T15:59:11.000Z","lastModified":"2026-10-09T16:17:18.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-284"],"affected":["fedoraproject/fedora","debian/debian linux","opensuse/tumbleweed","suse/linux enterprise server","proftpd/proftpd"],"epss":{"score":0.99497,"percentile":0.99945,"date":"2026-10-30","history":[{"date":"2026-10-09","score":0.98033,"percentile":0.9991},{"date":"2026-10-10","score":0.99497,"percentile":0.99945}]},"kev":{"listed":true,"dateAdded":"2026-10-08","dueDate":"2026-10-11","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.\nThis vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: http://www.proftpd.org/ ; https://lists.debian.org/debian-security-announce/2015/msg00154.html ; https://lists.opensuse.org/archives/list/updates@lists.opensuse.org/message/WE6YZRG5UVXMGQ7IVDRYBPIWV4M6UUGM/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2015-3306"},"exploits":{"count":4,"verified":true,"firstPublished":"2015-04-13","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":49908,"kind":"exploit","title":"ProFTPd 1.3.5 - 'mod_copy' Remote Command Execution (2)","url":"https://www.exploit-db.com/exploits/49908","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/49908.py","file":"exploits/linux/remote/49908.py","published":"2021-05-26","added":"2021-05-26","updated":"2021-11-30","author":"Shellbr3ak","type":"remote","platform":"linux","port":null,"verified":true,"codes":["CVE-2015-3306"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":37262,"kind":"exploit","title":"ProFTPd 1.3.5 - 'mod_copy' Command Execution (Metasploit)","url":"https://www.exploit-db.com/exploits/37262","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/37262.rb","file":"exploits/linux/remote/37262.rb","published":"2015-06-10","added":"2015-06-10","updated":"2017-08-29","author":"Metasploit","type":"remote","platform":"linux","port":null,"verified":true,"codes":["CVE-2015-3306","OSVDB-120834"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":36803,"kind":"exploit","title":"ProFTPd 1.3.5 - 'mod_copy' Remote Command Execution","url":"https://www.exploit-db.com/exploits/36803","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/36803.py","file":"exploits/linux/remote/36803.py","published":"2015-04-21","added":"2015-04-21","updated":"2017-08-29","author":"R-73eN","type":"remote","platform":"linux","port":null,"verified":false,"codes":["CVE-2015-3306","OSVDB-120834"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":36742,"kind":"exploit","title":"ProFTPd 1.3.5 - File Copy","url":"https://www.exploit-db.com/exploits/36742","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/36742.txt","file":"exploits/linux/remote/36742.txt","published":"2015-04-13","added":"2015-04-14","updated":"2016-10-10","author":"anonymous","type":"remote","platform":"linux","port":null,"verified":true,"codes":["CVE-2015-3306","OSVDB-120834"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"http://bugs.proftpd.org/show_bug.cgi?id=4169"}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 11 October 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-08T18:30:11.000Z","detail":{"from":"10.0","score":"10.0","severity":"CRITICAL","fromSeverity":"HIGH"},"summary":"Now scored CVSS 10.0 CRITICAL (was 10.0)."},{"kind":"kev","label":"Added to KEV","at":"2026-10-08T00:00:00.000Z","detail":{"name":"ProFTPD Improper Access Control Vulnerability","vendor":"ProFTPD","dueDate":"2026-10-11","product":"ProFTPD","ransomware":"Unknown"},"summary":"Added to CISA KEV — known to be exploited; federal remediation due 2026-10-11."}],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157053.html","tags":["Broken Link","Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157054.html","tags":["Broken Link","Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157581.html","tags":["Broken Link","Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/131505/ProFTPd-1.3.5-File-Copy.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/131555/ProFTPd-1.3.5-Remote-Command-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/131567/ProFTPd-CPFR-CPTO-Proof-Of-Concept.html","tags":["Exploit","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/132218/ProFTPD-1.3.5-Mod_Copy-Command-Execution.html","tags":["Exploit","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/162777/ProFTPd-1.3.5-Remote-Command-Execution.html","tags":["Exploit","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2015/dsa-3263","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.rapid7.com/db/modules/exploit/unix/ftp/proftpd_modcopy_exec","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/74238","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/36742/","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/36803/","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157053.html","tags":["Broken Link","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157054.html","tags":["Broken Link","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157581.html","tags":["Broken Link","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/131505/ProFTPd-1.3.5-File-Copy.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/131555/ProFTPd-1.3.5-Remote-Command-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/131567/ProFTPd-CPFR-CPTO-Proof-Of-Concept.html","tags":["Exploit","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/132218/ProFTPD-1.3.5-Mod_Copy-Command-Execution.html","tags":["Exploit","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/162777/ProFTPd-1.3.5-Remote-Command-Execution.html","tags":["Exploit","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2015/dsa-3263","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.rapid7.com/db/modules/exploit/unix/ftp/proftpd_modcopy_exec","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/74238","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/36742/","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/36803/","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-3306","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-3306","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}