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CVE-2015-3306

CRITICALCVSS 3.1 · 10.0 · 134c704f-9b21-4f2e-91b3-4a467353bcc0

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

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.

CISA KEV: known exploited

Added: 2026-10-08 · Due: 2026-10-11

Known ransomware use: Unknown

EPSS: 99.50% · Percentile: 99.9%

As of 2026-10-27

EPSS estimates exploitation probability over the next 30 days. KEV due dates apply to US federal civilian agencies. Confirm your affected versions in vendor advisories.

CWE: CWE-284 · Published: 2015-05-18T15:59:10.743 · Modified: 2026-10-09T16:17:18.210

Sources: NIST NVD, CISA KEV, FIRST EPSS. NVD and EPSS cached up to 6 hours; KEV up to 12 hours.

All CVSS assessments
  • CVSS 3.1: 10 (CRITICAL) · 134c704f-9b21-4f2e-91b3-4a467353bcc0
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
  • CVSS 2.0: 10 (HIGH) · NIST NVD
    AV:N/AC:L/Au:N/C:C/I:C/A:C

References and fixes