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CVE-2015-3306

Is CVE-2015-3306 real, exploitable, or a false positive? Here's the community verdict.

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signals

public sources

Exploited in wild
Yes
CISA KEV · Oct 8, 2026
Public exploit
None known
Metasploit/EDB/PoC
Base severity
10 Critical
CVSS
Exploitation prob.
97%
FIRST EPSS
Weakness
CWE-284
CWE

Confirmed exploited in the wild. Patch this first, regardless of the base score.

baseline read

auto · not a community verdict

Real — exploited in the wild

CISA confirms active exploitation. Treat scanner hits as true positives unless your specific version or config is unaffected.

Based on CISA KEV

Confirm or dispute →

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.

NVD only has a brief summary for this one. The community fills in the real-world detail below.

Published · Added to CISA KEV (4161 days after publication)

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Real, but not a risk here
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    Same weakness: CWE-284.