CVE-2015-3306
CVSS v3
10
CRITICAL
EPSS Score
98.0 %
exploit probability, as of 2026-10-09
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2026-10-08
- Patch Due Date
- 2026-10-11
- Ransomware Use
- Unknown
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Published
- 2015-05-18
- Last Modified
- 2026-10-09
Frequently asked questions
What is 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.
Is CVE-2015-3306 actively exploited?
Yes. CVE-2015-3306 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-10-11.
What is the CVSS score for CVE-2015-3306?
CVE-2015-3306 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
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