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CVE-2015-3306: ProFTPD Improper Access Control Vulnerability

ProFTPD ProFTPD · in CISA KEV since 2026-10-08

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2026-10-08added to KEV

2026-10-11federal remediation due date

99.50%EPSS exploit probability (30 days) 99.9th percentile

10 CRITICALCVSS 3.1

Unknownknown ransomware use

4,161days from NVD publication to KEV

What it is

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.

Required action (CISA)

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.

CWE	CWE-284
CVSS vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`
NVD published	2015-05-18 (Analyzed)

Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2015-3306.json · all KEV CVEs

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