Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-6460

22
FAUCET Score

CVE-2017-6460 describes a stack-based buffer overflow in the reslist function of ntpq, affecting NTP versions before 4.2.8p10 and 4.3.x before 4.3.94. This vulnerability allows remote NTP servers to cause unspecified but potentially severe impact by sending a long flagstr variable in a restriction list response. With a CVSS score of 8.8 (HIGH), it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the security community.

Impacted Technologies

VendorProductVersion(s)CPE
4.2.8CPE matchmatch criteria
cpe:2.3:a:ntp:ntp:4.2.8:p9:*:*:*:*:*:*
4.3.0CPE matchmatch criteria
cpe:2.3:a:ntp:ntp:4.3.0:*:*:*:*:*:*:*
4.3.1CPE matchmatch criteria
cpe:2.3:a:ntp:ntp:4.3.1:*:*:*:*:*:*:*
4.3.2CPE matchmatch criteria
cpe:2.3:a:ntp:ntp:4.3.2:*:*:*:*:*:*:*
4.3.3CPE matchmatch criteria
cpe:2.3:a:ntp:ntp:4.3.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.68%
Probability of exploitation in next 30 days
EPSS Percentile
84.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0268 is in the 83rd percentile among its peer group of 17,829 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2017-6460Moderate

ntp: Buffer Overflow in ntpq when fetching reslist from a malicious ntpd

Mar 21, 2017

References

security.paloaltonetworks.com / CVE-2017-6460
support.apple.com / HT208144
support.hpe.com / hpsc/doc/public/display
support.ntp.org / bin/view/Main/NtpBug3377
PatchVendor Advisory
support.ntp.org / bin/view/Main/SecurityNotice
Vendor Advisory
securityfocus.com / bid/97052
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038123
Third Party AdvisoryVDB Entry