MEDIUM
CVE-2017-6459
CWE-119Published: March 27, 2017· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
The Windows installer for NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows local users to have unspecified impact via vectors related to an argument with multiple null bytes.
Technical Analysis
CVE-2017-6459 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.
From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
ntp1 product(s)
ntp
Source: NVD CPE · 95 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (10)
→
http://support.ntp.org/bin/view/Main/NtpBug3382Vendor Advisory
→
→
http://www.securityfocus.com/bid/97076Third Party Advisory · VDB Entry
→
http://www.securitytracker.com/id/1038123Third Party Advisory · VDB Entry
→
http://support.ntp.org/bin/view/Main/NtpBug3382Vendor Advisory
→
→
http://www.securityfocus.com/bid/97076Third Party Advisory · VDB Entry
→
http://www.securitytracker.com/id/1038123Third Party Advisory · VDB Entry
Quick Facts
CVE IDCVE-2017-6459
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-119
CISA KEVNo
Affected1 vendor(s)
PublishedMar 27, 2017
Related CVEs (CWE-119)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-6459 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.