What’s Vulnerable › Vulnerabilities

CVE-2015-8140

• Severity: medium (CVSS 4.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-01-30 · updated 2026-06-17
• Weakness: CWE-284

Description

The ntpq protocol in NTP before 4.2.8p7 allows remote attackers to conduct replay attacks by sniffing the network.

Affected products

• NTP: through 4.2.8

References

• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
• http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
• http://support.ntp.org/bin/view/Main/NtpBug2947
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd
• http://www.securitytracker.com/id/1034782
• https://bto.bluecoat.com/security-advisory/sa113
• https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
• https://security.gentoo.org/glsa/201607-15

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