← Vulnerability feed

Vulnerability record · CVE-2014-9294 · published 20 December 2014

CVE-2014-9294: Ntp vulnerability

Ntp · Ntp

util/ntp-keygen.c in ntp-keygen in NTP before 4.2.7p230 uses a weak RNG seed, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a brute-force attack.

7.5 CVSS 2.0 High EPSS 13% · top 3.8%
7.5CVSS 2.0 base score
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
42References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

util/ntp-keygen.c in ntp-keygen in NTP before 4.2.7p230 uses a weak RNG seed, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a brute-force attack.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://advisories.mageia.org/MGASA-2014-0541.html
http://bk1.ntp.org/ntp-dev/util/ntp-keygen.c?PAGE=diffs&REV=4eae1b72298KRoBQmX-y8URCiRPH5g Exploit
http://bugs.ntp.org/show_bug.cgi?id=2666
http://marc.info/?l=bugtraq&m=142469153211996&w=2
http://marc.info/?l=bugtraq&m=142590659431171&w=2
http://marc.info/?l=bugtraq&m=142853370924302&w=2
http://marc.info/?l=bugtraq&m=144182594518755&w=2
http://rhn.redhat.com/errata/RHSA-2014-2025.html
http://rhn.redhat.com/errata/RHSA-2015-0104.html
http://secunia.com/advisories/62209
http://support.ntp.org/bin/view/Main/SecurityNotice Vendor Advisory
http://www.kb.cert.org/vuls/id/852879 Third Party AdvisoryUS Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2015:003
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.securityfocus.com/bid/71762
https://bugzilla.redhat.com/show_bug.cgi?id=1176035
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04790232
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04916783
https://kc.mcafee.com/corporate/index?page=content&id=SB10103
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20141222-ntpd
https://www.arista.com/en/support/advisories-notices/security-advisories/1047-security-advisory-8
http://advisories.mageia.org/MGASA-2014-0541.html
http://bk1.ntp.org/ntp-dev/util/ntp-keygen.c?PAGE=diffs&REV=4eae1b72298KRoBQmX-y8URCiRPH5g Exploit
http://bugs.ntp.org/show_bug.cgi?id=2666
http://marc.info/?l=bugtraq&m=142469153211996&w=2
http://marc.info/?l=bugtraq&m=142590659431171&w=2
http://marc.info/?l=bugtraq&m=142853370924302&w=2
http://marc.info/?l=bugtraq&m=144182594518755&w=2
http://rhn.redhat.com/errata/RHSA-2014-2025.html
http://rhn.redhat.com/errata/RHSA-2015-0104.html
http://secunia.com/advisories/62209
http://support.ntp.org/bin/view/Main/SecurityNotice Vendor Advisory
http://www.kb.cert.org/vuls/id/852879 Third Party AdvisoryUS Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2015:003
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.securityfocus.com/bid/71762
https://bugzilla.redhat.com/show_bug.cgi?id=1176035
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04790232
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04916783
https://kc.mcafee.com/corporate/index?page=content&id=SB10103

Track CVE-2014-9294 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-12327Ntp out-of-bounds write vulnerabilityStack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker to achieve code execution or escalate to higher privileges v…EPSS 28%9.8CVE-2018-7183Ntp out-of-bounds write vulnerabilityBuffer overflow in the decodearr function in ntpq in ntp 4.2.8p6 through 4.2.8p10 allows remote attackers to execute arbitrary code by leveraging an …EPSS 10%9.8CVE-2015-7705Ntp improper input validation vulnerabilityThe rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified impact via a large number of …EPSS 12%9.8CVE-2015-7853Ntp classic buffer overflow vulnerabilityThe datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code o…EPSS 12%9.8CVE-2015-7871ntpd Crypto-NAK packets bypass authenticationntpd in NTP 4.2.x before 4.2.8p4 and 4.3.x before 4.3.77 mishandles Crypto-NAK packets, allowing remote attackers to bypass authentication. Because N…EPSS 82%analysed8.8CVE-2015-7849Ntp use after free vulnerabilityUse-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbit…EPSS 17%8.8CVE-2015-7854Ntp classic buffer overflow vulnerabilityBuffer overflow in the password management functionality in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to ca…EPSS 15%8.8CVE-2017-6458Ntp memory buffer overflow vulnerabilityMultiple buffer overflows in the ctl_put* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecifi…EPSS 6.5%

Source: NIST National Vulnerability Database (record CVE-2014-9294), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.