CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
CVSS
10.0
Crítico
EPSS
99.5%
p100
KEV
SÍ
8 oct 2026
Exploit Today
80
0-100
Publicado: 18 may 2015 · Última mod.: 9 oct 2026 · CWE-284
Producto
ProFTPD / ProFTPD
Vulnerabilidad
ProFTPD Improper Access Control Vulnerability
Añadido a KEV
8 oct 2026
Remediar antes de
11 oct 2026
Uso conocido en ransomware
No
Descripción resumida
ProFTPD contains an improper access control vulnerability that could allow remote attackers to read and write to arbitrary files via the site cpfr and site cpto commands.
Acción requerida
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.
Notas
This 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
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.
- lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2015-May/157053.html
- lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2015-May/157054.html
- lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2015-May/157581.html
- lists.opensuse.orghttp://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/131505/ProFTPd-1.3.5-File-Copy.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/131555/ProFTPd-1.3.5-Remote-Command-Execution.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/131567/ProFTPd-CPFR-CPTO-Proof-Of-Concept.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/132218/ProFTPD-1.3.5-Mod_Copy-Command-Execution.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/162777/ProFTPd-1.3.5-Remote-Command-Execution.html
- www.debian.orghttp://www.debian.org/security/2015/dsa-3263
- www.rapid7.comhttp://www.rapid7.com/db/modules/exploit/unix/ftp/proftpd_modcopy_exec
- www.securityfocus.comhttp://www.securityfocus.com/bid/74238
- www.exploit-db.comhttps://www.exploit-db.com/exploits/36742/
- www.exploit-db.comhttps://www.exploit-db.com/exploits/36803/
- lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2015-May/157053.html
- lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2015-May/157054.html
- lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2015-May/157581.html
- lists.opensuse.orghttp://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/131505/ProFTPd-1.3.5-File-Copy.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/131555/ProFTPd-1.3.5-Remote-Command-Execution.html