Which products and versions are affected by CVE-2017-15222?

Affected: Nftp (Nftp Project). The full list is in the CVE brief.

Is CVE-2017-15222 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2017-15222 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2017-15222?

Public exploit code is available.

Is there a fix for CVE-2017-15222?

Fixed versions are available, including Nftp 2.0.

How urgently should CVE-2017-15222 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2017-15222

CriticalPublic exploit

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

Published Oct 24, 2017 · Updated May 12, 2026

Key Facts

Patch immediately

CVE-2017-15222 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Nftp (Nftp Project).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 60% probability of exploitation in the next 30 days.
Fixed versions are available, including Nftp 2.0.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

60%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2017-15222 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

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

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
NftpNftp Project	See advisory	2.0

Patched Releases

Nftp

2.0

Timeline

Publicly disclosed
Oct 24, 2017
Last updated
May 12, 2026

Weakness Type

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

References

exploitMSF ayukov_nftp.rb
exploitExploitDB-43025
exploit43025
exploitExploitDB-43448
exploit43448

3 more references in the full CVE brief

FAQ

Common Questions.

Buffer Overflow vulnerability in Ayukov NFTPD 2.0 and earlier allows remote attackers to execute arbitrary code.
Affected: Nftp (Nftp Project). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Nftp 2.0.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2017-15222 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.