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CVE-2015-3306

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.

Not rated yet Known exploited
Severity
Not rated yet
No source has published a CVSS score yet
Exploit chance (EPSS)
99.50%
Chance of exploitation in the next 30 days. Higher than 99.94% of scored vulnerabilities.
Known exploited
Yes
In CISA's catalog since Oct 8, 2026
Weakness
—
Not classified
Fix
None yet
No fixed version published
Exploited in the wild. ProFTPD Improper Access Control Vulnerability (ProFTPD ProFTPD). 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. Due for U.S. federal agencies by Oct 11, 2026.

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.

How to fix

No fixed version has been published yet. Until one is, remove or replace the package, or turn off or isolate the affected feature. This page updates when a fix ships.

References

Advisories

Exploits and evidence

Other links

Timeline

  1. Published
  2. Last updated by the source
  3. Added to CISA's Known Exploited Vulnerabilities catalog
  4. Remediation due for U.S. federal agencies
  5. Latest EPSS score
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