CVE-2015-3306
CVE-2015-3306 is a critical-severity vulnerability in Proftpd with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 97% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-284.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 97% (100th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-284
- Affected product: Proftpd
- Published:
- Last modified:
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.
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.
- How severe is CVE-2015-3306?
- CVE-2015-3306 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2015-3306 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 97% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-3306?
- CVE-2015-3306 affects Proftpd. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-3306?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2015-3306 published?
- CVE-2015-3306 was published on 2015-05-18 and last updated on 2026-06-17.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157053.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157054.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157581.html
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html
- http://packetstormsecurity.com/files/131505/ProFTPd-1.3.5-File-Copy.html
- http://packetstormsecurity.com/files/131555/ProFTPd-1.3.5-Remote-Command-Execution.html
- http://packetstormsecurity.com/files/131567/ProFTPd-CPFR-CPTO-Proof-Of-Concept.html
- http://packetstormsecurity.com/files/132218/ProFTPD-1.3.5-Mod_Copy-Command-Execution.html
- http://packetstormsecurity.com/files/162777/ProFTPd-1.3.5-Remote-Command-Execution.html
- http://www.debian.org/security/2015/dsa-3263
- http://www.rapid7.com/db/modules/exploit/unix/ftp/proftpd_modcopy_exec
- http://www.securityfocus.com/bid/74238
- https://www.exploit-db.com/exploits/36742/
- https://www.exploit-db.com/exploits/36803/
Affected products (1)
- cpe:2.3:a:proftpd:proftpd:1.3.5:*:*:*:*:*:*:*
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