CVE-2015-3306
The mod_copy module in ProFTPD 1.3.5 allows remote attackers to read and write to arbitrary files...
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.
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
What each source reports
CVE List
10.0
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 Critical
CVSS: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-2015-3352
10.0
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 Critical
CVSS: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-x32q
10.0
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 Critical
CVSS: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 KEV No 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
NVD
10.0
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 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-284
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2015-3306
10.0
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 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2015-3306
10.0
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 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSV No 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-2024:10048-1 No 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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
proftpd-dfsgDebian:12 |
before 1.3.5-2 | 1.3.5-2 |
proftpd-dfsgDebian:13 |
before 1.3.5-2 | 1.3.5-2 |
proftpd-dfsgDebian:14 |
before 1.3.5-2 | 1.3.5-2 |
proftpd-dfsgDebian: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-dfsgDebian:8 |
before 1.3.5-1.1+deb8u1, plus listed versions 1.3.5-1.1 |
1.3.5-1.1+deb8u1 |
proftpd-dfsgUbuntu: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 |
proftpdopenSUSE:Tumbleweed |
before 1.3.5b-2.5 | 1.3.5b-2.5 |
Public exploits
Links only. Every CVE stores no exploit code.
| 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
| 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 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | exploitation, exploits | |
| 2026-11-02 | created | CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, Nuclei, NVD, OSV, PoC in GitHub |
References
rapid7.com/db/modules/exploit/unix/ftp/proftpd_modcopy_exec
exploit-db.com/exploits/36803
packetstormsecurity.com/files/131555/ProFTPd-1.3.5-Remote-Command-Execution.html
debian.org/security/2015/dsa-3263
packetstormsecurity.com/files/131567/ProFTPd-CPFR-CPTO-Proof-Of-Concept.html
packetstormsecurity.com/files/132218/ProFTPD-1.3.5-Mod_Copy-Command-Execution.html
Show 25 moreShow less
lists.opensuse.org/opensuse-updates/2015-06/msg00020.html
lists.fedoraproject.org/pipermail/package-announce/2015-May/157053.html
lists.fedoraproject.org/pipermail/package-announce/2015-May/157054.html
securityfocus.com/bid/74238
exploit-db.com/exploits/36742
lists.fedoraproject.org/pipermail/package-announce/2015-May/157581.html
packetstormsecurity.com/files/131505/ProFTPd-1.3.5-File-Copy.html
packetstormsecurity.com/files/162777/ProFTPd-1.3.5-Remote-Command-Execution.html
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-3306
nvd.nist.gov/vuln/detail/CVE-2015-3306
github.com/advisories/GHSA-4mfj-5wr8-x32q
security-tracker.debian.org/tracker/CVE-2015-3306
ubuntu.com/security/CVE-2015-3306
openwall.com/lists/oss-security/2015/04/15/2
cxsecurity.com/issue/WLB-2015040075
cve.org/CVERecord?id=CVE-2015-3306
cisa.gov/known-exploited-vulnerabilities-catalog
suse.com/security/cve/CVE-2009-0542
suse.com/security/cve/CVE-2009-0543
suse.com/security/cve/CVE-2009-3639
suse.com/security/cve/CVE-2011-1137
suse.com/security/cve/CVE-2011-4130
suse.com/security/cve/CVE-2013-4359
suse.com/security/cve/CVE-2015-3306
suse.com/security/cve/CVE-2016-3125