CVE-2015-3306

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Summary

CVECVE-2015-3306
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-05-18 15:59:10 UTC
Updated2026-10-09 16:17:18 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 10 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.994970000 probability, percentile 0.999460000 (date 2026-10-20)

CISA KEV: Listed on 2026-10-08; due 2026-10-11; ransomware use Unknown

Problem Types: CWE-284 | n/a | CWE-284 CWE-284 Improper Access Control

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
2.0[email protected]Primary10AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

CISA Known Exploited Vulnerability

VendorProFTPD
ProductProFTPD
NameProFTPD Improper Access Control Vulnerability
Required ActionApply 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.
NotesThis 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/[email protected]/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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 7.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Fedoraproject Fedora 20 All All All
Operating System Fedoraproject Fedora 21 All All All
Operating System Fedoraproject Fedora 22 All All All
Operating System Opensuse Tumbleweed - All All All
Application Proftpd Proftpd 1.3.5 All All All
Operating System Suse Linux Enterprise Server 15 sp7 All All
Operating System Suse Linux Enterprise Server 15 sp7 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[SECURITY] Fedora 21 Update: proftpd-1.3.5-5.fc21 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Broken Link, Mailing List, Third Party Advisory
ProFTPd 1.3.5 Remote Command Execution ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Exploit, VDB Entry
[SECURITY] Fedora 20 Update: proftpd-1.3.4e-3.fc20 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Broken Link, Mailing List, Third Party Advisory
ProFTPd 1.3.5 - 'mod_copy' Remote Command Execution - Linux remote Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Exploit
Debian -- Security Information -- DSA-3263-1 proftpd-dfsg af854a3a-2127-422b-91ae-364da2661108 www.debian.org Mailing List, Third Party Advisory
ProFTPd 1.3.5 File Copy ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Third Party Advisory, VDB Entry
ProFTPD 1.3.5 Mod_Copy Command Execution ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Exploit, VDB Entry
openSUSE-SU-2015:1031-1: moderate: Security update for proftpd af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[SECURITY] Fedora 22 Update: proftpd-1.3.5-6.fc22 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Broken Link, Mailing List, Third Party Advisory
ProFTPD CVE-2015-3306 Information Disclosure Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory
ProFTPd 1.3.5 - File Copy af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Exploit
CVE-2015-3306 ProFTPD 1.3.5 Mod_Copy Command Execution | Rapid7 af854a3a-2127-422b-91ae-364da2661108 www.rapid7.com Third Party Advisory
ProFTPd 1.3.5 Remote Command Execution ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Third Party Advisory, VDB Entry
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
ProFTPd CPFR / CPTO Proof Of Concept ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Exploit, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

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