CVE-2015-7871critical
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.
References
https://bugzilla.redhat.com/show_bug.cgi?id=1274265
http://www.securityfocus.com/bid/77287
http://support.ntp.org/bin/view/Main/NtpBug2941
https://security.gentoo.org/glsa/201607-15
https://security.gentoo.org/glsa/201604-03
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839
http://www.securitytracker.com/id/1033951
http://www.debian.org/security/2015/dsa-3388
https://security.netapp.com/advisory/ntap-20171004-0001/
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
Details
Source: MITRE
Published: 2017-08-07
Updated: 2021-04-13
Type: CWE-287
Risk Information
CVSS v2
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
CVSS v3
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL