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"https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc", "name": "FreeBSD-SA-16:09", "tags": ["Third Party Advisory"], "refsource": "FREEBSD"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2583.html", "name": "RHSA-2016:2583", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf", "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11", "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11", "tags": ["Third Party Advisory", "US Government Resource"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation 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"userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 3.1}}, "publishedDate": "2016-01-26T19:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "4.2.8", "versionStartIncluding": "4.2.0"}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": 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