Buffer Overflow vulnerability in Ayukov NFTPD 2.0 and earlier allows remote attackers to execute arbitrary code.

published 2017-10-24 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-6682

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 60.3%; EPSS 60.3% chance of exploitation in 30 days, percentile 99.1%
public exploits: 4; Metasploit, Exploit-DB

Timeline

2017-10-21 First public exploit (Metasploit exploit/windows/ftp/ayukov_nftp)
2017-10-24 Published

Exploit prediction

60.33% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Metasploit exploit/windows/ftp/ayukov_nftp Ayukov NFTP FTP Client Buffer Overflow metasploit exploit, normal rank, 2017-10-21
EDB-46070 Ayukov NFTP FTP Client 2.0 - Buffer Overflow local, 2019-01-02
EDB-43448 Ayukov NFTP FTP Client 2.0 - Remote Buffer Overflow (Metasploit) remote, 2018-01-05
EDB-43025 Ayukov NFTP FTP Client < 2.0 - Remote Buffer Overflow remote, 2017-10-21
securityfocus.com http://www.securityfocus.com/bid/101602 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

exploit-db.com /exploits/43448/
exploit, third-party-advisory, vdb-entry
exploit-db.com /exploits/43025/
exploit, third-party-advisory, vdb-entry
exploit-db.com /exploits/46070/
exploit, third-party-advisory, vdb-entry
securityfocus.com /bid/101602
vdb-entry, exploit, third-party-advisory

Sources

CVE List CVE-2017-15222
NVD CVE-2017-15222

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary