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CVE-2015-3306ProFTPD 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.
10.0 CRITICALEPSS 99.49%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 10.0 | CRITICAL | 3.1CISA-ADP | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| 10.0 | HIGH | 2.0NVD | AV:N/AC:L/Au:N/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due Oct 11, 2026
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.
Details
- CVE ID
- CVE-2015-3306
- Status
- Analyzed
- Assigner (CNA)
- mitre
- Published
- May 18, 2015
- Last modified
- 2026-10-09 16:17 UTC
- Weaknesses
Affected Products
From NVD CPE configurations.
fedoraprojectfedora3 version ranges
- 20
- 21
- 22
debiandebian linux3 version ranges
- 7.0
- 8.0
- 9.0
opensusetumbleweed0 version ranges
No version detail published.
suselinux enterprise server1 version range
- 15 sp7
proftpdproftpd1 version range
- 1.3.5
References
- lists.fedoraproject.org http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157053.html
- lists.fedoraproject.org http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157054.html
- lists.fedoraproject.org http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157581.html
- lists.opensuse.org http://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html
- packetstormsecurity.com http://packetstormsecurity.com/files/131505/ProFTPd-1.3.5-File-Copy.html
- packetstormsecurity.com http://packetstormsecurity.com/files/131555/ProFTPd-1.3.5-Remote-Command-Execution.html
- packetstormsecurity.com http://packetstormsecurity.com/files/131567/ProFTPd-CPFR-CPTO-Proof-Of-Concept.html
- packetstormsecurity.com http://packetstormsecurity.com/files/132218/ProFTPD-1.3.5-Mod_Copy-Command-Execution.html
- packetstormsecurity.com http://packetstormsecurity.com/files/162777/ProFTPd-1.3.5-Remote-Command-Execution.html
- debian.org http://www.debian.org/security/2015/dsa-3263
- rapid7.com http://www.rapid7.com/db/modules/exploit/unix/ftp/proftpd_modcopy_exec
- securityfocus.com http://www.securityfocus.com/bid/74238
- exploit-db.com https://www.exploit-db.com/exploits/36742/
- exploit-db.com https://www.exploit-db.com/exploits/36803/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-3306