CVE-2015-3306

The mod_copy module in ProFTPD 1.3.5 allows remote attackers to read and write to arbitrary files...

10.0 HighIn KEVPublic exploitFix available

CVE-2015-3306 is a high vulnerability (CVSS 10.0) in Proftpd, published May 18, 2015. CISA lists it as known to be exploited, since October 8, 2026. EUVD reports exploitation since October 8, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 99.5%, the 99th percentile. Fixed in proftpd-dfsg 1.3.5-2.

Severity: 10.0 HighCVSS 2.0, NVD
Exploit chance: 99.5%EPSS, 99th percentile
Exploitation: ExploitedCISA KEV, Oct 8, 2026
Fixed in: 1.3.5-2proftpd-dfsg +6 more

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.

Exploit likelihood

99.5%Up 5.7 points since Feb 4, 2022

Discussion

Quiet in the last day.

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`proftpd-dfsg` Debian:12	before 1.3.5-2	1.3.5-2
`proftpd-dfsg` Debian:13	before 1.3.5-2	1.3.5-2
`proftpd-dfsg` Debian:14	before 1.3.5-2	1.3.5-2
`proftpd-dfsg` Debian:7	before 1.3.4a-5+deb7u3, plus listed versions 1.3.4a-4+nmu11.3.4a-5+deb7u11.3.4a-5+deb7u2	1.3.4a-5+deb7u3
`proftpd-dfsg` Debian:8	before 1.3.5-1.1+deb8u1, plus listed versions 1.3.5-1.1	1.3.5-1.1+deb8u1
`proftpd-dfsg` Ubuntu:14.04:LTS	before 1.3.5~rc3-2.1ubuntu2.1, plus listed versions 1.3.5~rc3-21.3.5~rc3-2.11.3.5~rc3-2.1ubuntu2	1.3.5~rc3-2.1ubuntu2.1
`proftpd` openSUSE:Tumbleweed From an advisory covering 8 CVEs	before 1.3.5b-2.5	1.3.5b-2.5

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	ProFTPd 1.3.5 - File Copy	2015-04-13
Exploit-DB	ProFTPd 1.3.5 - 'mod_copy' Remote Command Execution	2015-04-21
PoC in GitHub	xyk0x/cpx_proftpd	2015-04-21
Metasploit	ProFTPD 1.3.5 Mod_Copy Command Execution	2015-04-22
PoC in GitHub	nootropics/propane	2015-04-26
Exploit-DB	ProFTPd 1.3.5 - 'mod_copy' Command Execution (Metasploit)	2015-06-10
PoC in GitHub	t0kx/exploit-CVE-2015-3306	2017-01-08
PoC in GitHub	davidtavarez/CVE-2015-3306	2017-07-29
PoC in GitHub	cved-sources/cve-2015-3306	2019-01-06
PoC in GitHub	hackarada/cve-2015-3306	2020-02-25

Show 14 moreShow less

Public exploits
Source	Link	Date
PoC in GitHub	cdedmondson/Modified-CVE-2015-3306-Exploit	2020-05-15
PoC in GitHub	cd6629/CVE-2015-3306-Python-PoC	2020-10-16
PoC in GitHub	0xm4ud/ProFTPD_CVE-2015-3306	2021-05-16
Exploit-DB	ProFTPd 1.3.5 - 'mod_copy' Remote Command Execution (2)	2021-05-26
PoC in GitHub	jptr218/proftpd_bypass	2021-08-21
PoC in GitHub	JoseLRC97/ProFTPd-1.3.5-mod_copy-Remote-Command-Execution	2024-04-18
PoC in GitHub	Z3R0space/CVE-2015-3306	2025-05-14
PoC in GitHub	donmedfor/CVE-2015-3306	2025-08-23
PoC in GitHub	cybersensei-EH/hackviser_labs_CVE-2015-3306	2025-11-02
PoC in GitHub	netw0rk7/CVE-2015-3306-Home-Lab	2025-11-17
PoC in GitHub	canpilayda/proftpd-mod_copy-cve-2015-3306	2026-01-18
PoC in GitHub	bcononugbor-source/OpenVAS-Vulnerability-Analysis-Incident-Response-Report	2026-06-03
PoC in GitHub	diegslva/cve-2015-3306-lab	2026-09-07
Nuclei	ProFTPd - Remote Code Execution

What each source reports

CVE List10.0

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.

Record: CVE-2015-3306
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-284
Updated: 2026-11-02

EUVDEUVD-2015-335210.0

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.

Record: EUVD-2015-3352
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-4mfj-5wr8-x32q10.0

The mod_copy module in ProFTPD 1.3.5 allows remote attackers to read and write to arbitrary files...

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.

Record: GHSA-4mfj-5wr8-x32q
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-284
Updated: 2026-11-02

CISA KEVNo score

ProFTPD Improper Access Control Vulnerability

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.

Record: CVE-2015-3306
Weakness: CWE-284
Updated: 2026-11-02

NVD10.0

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.

Record: CVE-2015-3306
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-284
Updated: 2026-11-02

OSVDEBIAN-CVE-2015-330610.0

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.

Record: DEBIAN-CVE-2015-3306
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2015-330610.0

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.

Record: UBUNTU-CVE-2015-3306
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

OSVNo score

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.

Record: CVE-2015-3306
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10048-1No score

proftpd-1.3.5b-2.5 on GA media

These are all security issues fixed in the proftpd-1.3.5b-2.5 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10048-1
Updated: 2026-11-02

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, Nuclei, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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