CVE-2017-6460

8.8 HIGH 3% exploit odds Fix listed

What it is

Stack-based buffer overflow in the reslist function in ntpq in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote servers have unspecified impact via a long flagstr variable in a restriction list response.

At a glance

Exploitability: Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 2.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2017-03-27 17:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:22 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.7% in the next 30 days (EPSS).
Severity: 8.8 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2017-03-27 17:59 UTC
Last modified: 2026-06-17 01:22 UTC
Exploit probability: 2.7% · EPSS, next 30 days
Weakness: CWE-119 · Buffer errors
Record status: Modified

Affected

Ntp 4.2.8
Ntp 4.3.0
Ntp 4.3.1
Ntp 4.3.2
Ntp 4.3.3
Ntp 4.3.4
Ntp 4.3.5
Ntp 4.3.6

Attack profile CVSS 3.0 · 8.8

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record