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CVE-2016-7434

Published: Jan 13, 2017Updated: May 13, 2026 Sources: CVE List NVDCWE-20
NVD MITRE
7.5CVSSHIGH
EPSS Score
52.9%
Top 1.2%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

The read_mru_list function in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (crash) via a crafted mrulist query.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-20

Affected Products

n/an/a
ntpntp
On-prem
Networking Infrastructure / dns-dhcp-ntp
hpux-ntphpeHardware Firmware
ntposs-projectNetworking Infrastructureaka ntp daemon
hpecommercialUSHardware Firmwareaka hpe

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
h20566.www2.hpe.com
http://www.securityfocus.com/bid/94448
securityfocus.com
http://support.ntp.org/bin/view/Main/NtpBug3082
support.ntp.org
and 7 more references View all →

Timeline

Published
Jan 13, 2017
Last Updated
May 13, 2026

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