CVE-2015-3306
highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.995 · 100 %ileexploit · weaponizedEURUUSadded 2026-10-08remediate by 2026-10-11
required action 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.
EPSS · scored 2026-10-27
ProFTPD Improper Access Control Vulnerability
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 10–10
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (23)
Public proof-of-concept and weaponised exploit code.
- exploit/unix/ftp/proftpd_modcopy_execProFTPD 1.3.5 Mod_Copy Command Executionweaponized · metasploit
- EDB-36742ProFTPd 1.3.5 - File Copyfunctional · exploit_db
- EDB-37262ProFTPd 1.3.5 - 'mod_copy' Command Execution (Metasploit)functional · exploit_db
- EDB-49908ProFTPd 1.3.5 - 'mod_copy' Remote Command Execution (2)functional · exploit_db
- EDB-36803ProFTPd 1.3.5 - 'mod_copy' Remote Command ExecutionPoC · exploit_db
- 0xm4ud/ProFTPD_CVE-2015-33060xm4ud/ProFTPD_CVE-2015-3306PoC · poc_in_github
affected products (11)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (45)
External citations — patches, advisories, analysis.
- http://bugs.proftpd.org/show_bug.cgi?id=4169Patchcnnvd
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157053.htmlcnnvd
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157054.htmlcnnvd
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157581.htmlcnnvd
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00020.htmlcnnvd
- http://www.rapid7.com/db/modules/exploit/unix/ftp/proftpd_modcopy_execcnnvd
- https://packetstormsecurity.com/files/131505/ProFTPd-1.3.5-File-Copy.htmlcnnvd
- https://packetstormsecurity.com/files/131555/ProFTPd-1.3.5-Remote-Command-Execution.htmlcnnvd
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