01 Record

CVE-2016-7426

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service (prevent

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service (prevent

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 12.47% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 95.9% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2017-01-13 16:00Z9 YR AGO

Last updated

2024-08-06 01:57Z2 YR AGO

Reserved

2016-09-09

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

ed85f7f0e7a14d204b3806b25d70184f7dc4047f61208139243cbee084eed66e

05 Affected products

VendorProductVersionsPlatforms

canonicalubuntu_linuxNot specified—

hpehpux-ntpNot specified—

ntpntpNot specified—

redhatenterprise_linuxNot specified—

redhatenterprise_linux_desktopNot specified—

redhatenterprise_linux_serverNot specified—

redhatenterprise_linux_server_ausNot specified—

redhatenterprise_linux_server_eusNot specified—

redhatenterprise_linux_server_tusNot specified—

redhatenterprise_linux_workstationNot specified—

06 References

h20566.www2.hpe.comhttps://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_usx_refsource_CONFIRM
usn.ubuntu.comUSN-3707-2https://usn.ubuntu.com/3707-2/vendor-advisoryx_refsource_UBUNTU
rhn.redhat.comRHSA-2017:0252http://rhn.redhat.com/errata/RHSA-2017-0252.htmlvendor-advisoryx_refsource_REDHAT
support.ntp.orghttp://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilitiesx_refsource_CONFIRM
nwtime.orghttp://nwtime.org/ntp428p9_release/x_refsource_CONFIRM
www.kb.cert.orgVU#633847https://www.kb.cert.org/vuls/id/633847third-party-advisoryx_refsource_CERT-VN
www.securitytracker.com1037354http://www.securitytracker.com/id/1037354vdb-entryx_refsource_SECTRACK
bto.bluecoat.comhttps://bto.bluecoat.com/security-advisory/sa139x_refsource_CONFIRM
support.ntp.orghttp://support.ntp.org/bin/view/Main/NtpBug3071x_refsource_CONFIRM
security.freebsd.orgFreeBSD-SA-16:39https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.ascvendor-advisoryx_refsource_FREEBSD
www.securityfocus.com94451http://www.securityfocus.com/bid/94451vdb-entryx_refsource_BID

01 Record index

CVE-2016-7426

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2016-7426

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References