Rapid7

vulnerability

Gentoo Linux: CVE-2015-7871: Xen: Multiple vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Aug 7, 2017
Added
Oct 30, 2017
Modified
Mar 31, 2026

Description

Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass authentication.

Solutions

gentoo-linux-upgrade-app-emulation-pvgrubgentoo-linux-upgrade-app-emulation-xengentoo-linux-upgrade-app-emulation-xen-pvgrubgentoo-linux-upgrade-app-emulation-xen-toolsgentoo-linux-upgrade-net-misc-ntp
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.