Vulnerabilities (CVE)

Filtered by vendor Ntp Subscribe
Total 99 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2015-7848 2 Netapp, Ntp 6 Clustered Data Ontap, Data Ontap Operating In 7-mode, Oncommand Balance and 3 more 2025-05-23 5.0 MEDIUM 7.5 HIGH
An integer overflow can occur in NTP-dev.4.3.70 leading to an out-of-bounds memory copy operation when processing a specially crafted private mode packet. The crafted packet needs to have the correct message authentication code and a valid timestamp. When processed by the NTP daemon, it leads to an immediate crash.
CVE-2020-13817 4 Fujitsu, Netapp, Ntp and 1 more 40 M10-1, M10-1 Firmware, M10-4 and 37 more 2025-05-05 5.8 MEDIUM 7.4 HIGH
ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows remote attackers to cause a denial of service (daemon exit or system time change) by predicting transmit timestamps for use in spoofed packets. The victim must be relying on unauthenticated IPv4 time sources. There must be an off-path attacker who can query time from the victim's ntpd instance.
CVE-2020-11868 5 Debian, Netapp, Ntp and 2 more 24 Debian Linux, All Flash Fabric-attached Storage 8300, All Flash Fabric-attached Storage 8300 Firmware and 21 more 2025-05-05 5.0 MEDIUM 7.5 HIGH
ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp.
CVE-2016-1547 1 Ntp 1 Ntp 2025-04-20 5.0 MEDIUM 5.3 MEDIUM
An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled.
CVE-2015-5146 3 Debian, Fedoraproject, Ntp 3 Debian Linux, Fedora, Ntp 2025-04-20 3.5 LOW 5.3 MEDIUM
ntpd in ntp before 4.2.8p3 with remote configuration enabled allows remote authenticated users with knowledge of the configuration password and access to a computer entrusted to perform remote configuration to cause a denial of service (service crash) via a NULL byte in a crafted configuration directive packet.
CVE-2017-6462 1 Ntp 1 Ntp 2025-04-20 4.6 MEDIUM 7.8 HIGH
Buffer overflow in the legacy Datum Programmable Time Server (DPTS) refclock driver in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows local users to have unspecified impact via a crafted /dev/datum device.
CVE-2017-6452 1 Ntp 1 Ntp 2025-04-20 4.6 MEDIUM 7.8 HIGH
Stack-based buffer overflow in the Windows installer for NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows local users to have unspecified impact via an application path on the command line.
CVE-2016-7427 1 Ntp 1 Ntp 2025-04-20 3.3 LOW 4.3 MEDIUM
The broadcast mode replay prevention functionality in ntpd in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (reject broadcast mode packets) via a crafted broadcast mode packet.
CVE-2016-7433 1 Ntp 1 Ntp 2025-04-20 5.0 MEDIUM 5.3 MEDIUM
NTP before 4.2.8p9 does not properly perform the initial sync calculations, which allows remote attackers to unspecified impact via unknown vectors, related to a "root distance that did not include the peer dispersion."
CVE-2016-9310 1 Ntp 1 Ntp 2025-04-20 6.4 MEDIUM 6.5 MEDIUM
The control mode (mode 6) functionality in ntpd in NTP before 4.2.8p9 allows remote attackers to set or unset traps via a crafted control mode packet.
CVE-2016-7434 2 Hpe, Ntp 2 Hpux-ntp, Ntp 2025-04-20 4.3 MEDIUM 7.5 HIGH
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.
CVE-2015-7978 1 Ntp 1 Ntp 2025-04-20 5.0 MEDIUM 7.5 HIGH
NTP before 4.2.8p6 and 4.3.0 before 4.3.90 allows a remote attackers to cause a denial of service (stack exhaustion) via an ntpdc relist command, which triggers recursive traversal of the restriction list.
CVE-2017-6464 1 Ntp 1 Ntp 2025-04-20 4.0 MEDIUM 6.5 MEDIUM
NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote attackers to cause a denial of service (ntpd crash) via a malformed mode configuration directive.
CVE-2015-3405 7 Debian, Fedoraproject, Ntp and 4 more 13 Debian Linux, Fedora, Ntp and 10 more 2025-04-20 5.0 MEDIUM 7.5 HIGH
ntp-keygen in ntp 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12 does not generate MD5 keys with sufficient entropy on big endian machines when the lowest order byte of the temp variable is between 0x20 and 0x7f and not #, which might allow remote attackers to obtain the value of generated MD5 keys via a brute force attack with the 93 possible keys.
CVE-2015-7976 4 Novell, Ntp, Opensuse and 1 more 10 Suse Openstack Cloud, Ntp, Leap and 7 more 2025-04-20 4.0 MEDIUM 4.3 MEDIUM
The ntpq saveconfig command in NTP 4.1.2, 4.2.x before 4.2.8p6, 4.3, 4.3.25, 4.3.70, and 4.3.77 does not properly filter special characters, which allows attackers to cause unspecified impact via a crafted filename.
CVE-2017-6459 1 Ntp 1 Ntp 2025-04-20 2.1 LOW 5.5 MEDIUM
The Windows installer for NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows local users to have unspecified impact via vectors related to an argument with multiple null bytes.
CVE-2015-8138 1 Ntp 1 Ntp 2025-04-20 5.0 MEDIUM 5.3 MEDIUM
NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to bypass the origin timestamp validation via a packet with an origin timestamp set to zero.
CVE-2017-6463 1 Ntp 1 Ntp 2025-04-20 4.0 MEDIUM 6.5 MEDIUM
NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote authenticated users to cause a denial of service (daemon crash) via an invalid setting in a :config directive, related to the unpeer option.
CVE-2016-2517 1 Ntp 1 Ntp 2025-04-20 4.9 MEDIUM 5.3 MEDIUM
NTP before 4.2.8p7 and 4.3.x before 4.3.92 allows remote attackers to cause a denial of service (prevent subsequent authentication) by leveraging knowledge of the controlkey or requestkey and sending a crafted packet to ntpd, which changes the value of trustedkey, controlkey, or requestkey. NOTE: this vulnerability exists because of a CVE-2016-2516 regression.
CVE-2015-5195 5 Canonical, Debian, Fedoraproject and 2 more 8 Ubuntu Linux, Debian Linux, Fedora and 5 more 2025-04-20 5.0 MEDIUM 7.5 HIGH
ntp_openssl.m4 in ntpd in NTP before 4.2.7p112 allows remote attackers to cause a denial of service (segmentation fault) via a crafted statistics or filegen configuration command that is not enabled during compilation.