CVE-2016-7429

3.7 lowEPSS 7.4%

NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.

Severity

CVSS 3.0

3.7 low

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

EPSS: 7.4% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
CWE: CWE-18
Published: 2017-01-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ntp:ntp

References

http://nwtime.org/ntp428p9_release/
http://rhn.redhat.com/errata/RHSA-2017-0252.html
http://support.ntp.org/bin/view/Main/NtpBug3072
http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

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