All vulnerabilities
CVE-2015-3306

ProFTPD Improper Access Control Vulnerability

ProFTPD ProFTPD
Open in ThreatlineRecord JSON
CVSS
10.0Critical
ExploitationExploited in the wildAdded to KEV 8 Oct 2026CISA KEV
Exploit odds (EPSS)99.5%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline11 Oct 2026Remediation due date for US federal agenciesCISA KEV
CISA 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. CISA KEV
Patching is not enoughCISA requires federal agencies to look for signs of compromise on affected systems, not only patch (forensic triage under BOD 26-04). Treat exposed systems as possibly compromised. CISA guidance

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 13 Apr 2015Exploit code publicExploit-DB
  2. 18 May 2015, 15:00 UTCPublishedCVE List
  3. 8 Oct 2026Added to CISA KEVCISA KEV

Public exploit code and templates 6

  • Exploit moduleProFTPD 1.3.5 Mod_Copy Command Execution 22 Apr 2015Metasploit
  • Remote exploitProFTPd 1.3.5 - 'mod_copy' Command Execution (Metasploit) 10 Jun 2015Exploit-DB
  • Remote exploitProFTPd 1.3.5 - 'mod_copy' Remote Command Execution 21 Apr 2015Exploit-DB
  • Remote exploitProFTPd 1.3.5 - 'mod_copy' Remote Command Execution (2) 26 May 2021Exploit-DB
  • Remote exploitProFTPd 1.3.5 - File Copy 13 Apr 2015Exploit-DB
  • Scanner templateProFTPd - Remote Code ExecutionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

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.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 6