CVE-2016-7427 (GCVE-0-2016-7427)

Vulnerability from cvelistv5 – Published: 2017-01-13 16:00 – Updated: 2024-08-06 01:57
VLAI
Summary
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.
Severity
4.3 (Medium)
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2316 records in the last 180 days details
References
Date Public
2016-11-21 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T01:57:47.547Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us"
          },
          {
            "name": "USN-3707-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3707-2/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03883en_us"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://nwtime.org/ntp428p9_release/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://support.ntp.org/bin/view/Main/NtpBug3114"
          },
          {
            "name": "VU#633847",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT-VN",
              "x_transferred"
            ],
            "url": "https://www.kb.cert.org/vuls/id/633847"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03899en_us"
          },
          {
            "name": "1037354",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1037354"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bto.bluecoat.com/security-advisory/sa139"
          },
          {
            "name": "FreeBSD-SA-16:39",
            "tags": [
              "vendor-advisory",
              "x_refsource_FREEBSD",
              "x_transferred"
            ],
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc"
          },
          {
            "name": "94447",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/94447"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-11-21T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-01-24T10:57:02.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us"
        },
        {
          "name": "USN-3707-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3707-2/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03883en_us"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://nwtime.org/ntp428p9_release/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://support.ntp.org/bin/view/Main/NtpBug3114"
        },
        {
          "name": "VU#633847",
          "tags": [
            "third-party-advisory",
            "x_refsource_CERT-VN"
          ],
          "url": "https://www.kb.cert.org/vuls/id/633847"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03899en_us"
        },
        {
          "name": "1037354",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1037354"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bto.bluecoat.com/security-advisory/sa139"
        },
        {
          "name": "FreeBSD-SA-16:39",
          "tags": [
            "vendor-advisory",
            "x_refsource_FREEBSD"
          ],
          "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc"
        },
        {
          "name": "94447",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/94447"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-7427",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us",
              "refsource": "CONFIRM",
              "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us"
            },
            {
              "name": "USN-3707-2",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3707-2/"
            },
            {
              "name": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03883en_us",
              "refsource": "CONFIRM",
              "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03883en_us"
            },
            {
              "name": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities",
              "refsource": "CONFIRM",
              "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
            },
            {
              "name": "http://nwtime.org/ntp428p9_release/",
              "refsource": "CONFIRM",
              "url": "http://nwtime.org/ntp428p9_release/"
            },
            {
              "name": "http://support.ntp.org/bin/view/Main/NtpBug3114",
              "refsource": "CONFIRM",
              "url": "http://support.ntp.org/bin/view/Main/NtpBug3114"
            },
            {
              "name": "VU#633847",
              "refsource": "CERT-VN",
              "url": "https://www.kb.cert.org/vuls/id/633847"
            },
            {
              "name": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03899en_us",
              "refsource": "CONFIRM",
              "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03899en_us"
            },
            {
              "name": "1037354",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1037354"
            },
            {
              "name": "https://bto.bluecoat.com/security-advisory/sa139",
              "refsource": "CONFIRM",
              "url": "https://bto.bluecoat.com/security-advisory/sa139"
            },
            {
              "name": "FreeBSD-SA-16:39",
              "refsource": "FREEBSD",
              "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc"
            },
            {
              "name": "94447",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/94447"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-7427",
    "datePublished": "2017-01-13T16:00:00.000Z",
    "dateReserved": "2016-09-09T00:00:00.000Z",
    "dateUpdated": "2024-08-06T01:57:47.547Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2016-7427",
      "date": "2026-10-13",
      "epss": "0.03907",
      "percentile": "0.90065"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:*",
                  "matchCriteriaId": "8C213794-111D-41F3-916C-AD97F731D600",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:*",
                  "matchCriteriaId": "50811A7B-0379-4437-8737-B4C1ACBC9EFD",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p8:*:*:*:*:*:*",
                  "matchCriteriaId": "F12E4CF5-536C-416B-AD8D-6AE7CBE22C71",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        },
        {
          "lang": "es",
          "value": "La funcionalidad de prevenci\u00f3n de repetici\u00f3n del modo de difusi\u00f3n en ntpd en NTP en versiones anteriores a 4.2.8p9 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (rechazar paquetes de modo de difusi\u00f3n) a trav\u00e9s de un paquete de modo de difusi\u00f3n manipulado."
        }
      ],
      "id": "CVE-2016-7427",
      "lastModified": "2024-11-21T02:57:59.290",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "LOW",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "ADJACENT_NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 3.3,
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 6.5,
            "impactScore": 2.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ],
        "cvssMetricV30": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 4.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
              "version": "3.0"
            },
            "exploitabilityScore": 2.8,
            "impactScore": 1.4,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2017-01-13T16:59:00.357",
      "references": [
        {
          "source": "cve@mitre.org",
          "tags": [
            "Release Notes",
            "Vendor Advisory"
          ],
          "url": "http://nwtime.org/ntp428p9_release/"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Issue Tracking",
            "Mitigation",
            "Vendor Advisory"
          ],
          "url": "http://support.ntp.org/bin/view/Main/NtpBug3114"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securityfocus.com/bid/94447"
        },
        {
          "source": "cve@mitre.org",
          "url": "http://www.securitytracker.com/id/1037354"
        },
        {
          "source": "cve@mitre.org",
          "url": "https://bto.bluecoat.com/security-advisory/sa139"
        },
        {
          "source": "cve@mitre.org",
          "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us"
        },
        {
          "source": "cve@mitre.org",
          "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc"
        },
        {
          "source": "cve@mitre.org",
          "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03883en_us"
        },
        {
          "source": "cve@mitre.org",
          "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03899en_us"
        },
        {
          "source": "cve@mitre.org",
          "url": "https://usn.ubuntu.com/3707-2/"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Third Party Advisory",
            "US Government Resource"
          ],
          "url": "https://www.kb.cert.org/vuls/id/633847"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Release Notes",
            "Vendor Advisory"
          ],
          "url": "http://nwtime.org/ntp428p9_release/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Issue Tracking",
            "Mitigation",
            "Vendor Advisory"
          ],
          "url": "http://support.ntp.org/bin/view/Main/NtpBug3114"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securityfocus.com/bid/94447"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.securitytracker.com/id/1037354"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://bto.bluecoat.com/security-advisory/sa139"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03883en_us"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03899en_us"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://usn.ubuntu.com/3707-2/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory",
            "US Government Resource"
          ],
          "url": "https://www.kb.cert.org/vuls/id/633847"
        }
      ],
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-400"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:*",
                    "matchCriteriaId": "8C213794-111D-41F3-916C-AD97F731D600",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:*",
                    "matchCriteriaId": "50811A7B-0379-4437-8737-B4C1ACBC9EFD",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p8:*:*:*:*:*:*",
                    "matchCriteriaId": "F12E4CF5-536C-416B-AD8D-6AE7CBE22C71",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "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."
          },
          {
            "lang": "es",
            "value": "La funcionalidad de prevenci\u00f3n de repetici\u00f3n del modo de difusi\u00f3n en ntpd en NTP en versiones anteriores a 4.2.8p9 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (rechazar paquetes de modo de difusi\u00f3n) a trav\u00e9s de un paquete de modo de difusi\u00f3n manipulado."
          }
        ],
        "id": "CVE-2016-7427",
        "lastModified": "2026-05-13T00:24:29.033",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "ADJACENT_NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 3.3,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 6.5,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 4.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                "version": "3.0"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 1.4,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2017-01-13T16:59:00.357",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "http://nwtime.org/ntp428p9_release/"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Issue Tracking",
              "Mitigation",
              "Vendor Advisory"
            ],
            "url": "http://support.ntp.org/bin/view/Main/NtpBug3114"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/94447"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securitytracker.com/id/1037354"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://bto.bluecoat.com/security-advisory/sa139"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03883en_us"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03899en_us"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://usn.ubuntu.com/3707-2/"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory",
              "US Government Resource"
            ],
            "url": "https://www.kb.cert.org/vuls/id/633847"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "http://nwtime.org/ntp428p9_release/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Mitigation",
              "Vendor Advisory"
            ],
            "url": "http://support.ntp.org/bin/view/Main/NtpBug3114"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/94447"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securitytracker.com/id/1037354"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bto.bluecoat.com/security-advisory/sa139"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03883en_us"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03899en_us"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://usn.ubuntu.com/3707-2/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "US Government Resource"
            ],
            "url": "https://www.kb.cert.org/vuls/id/633847"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-400"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-05-13T01:16:04+00:00",
      "cve": "CVE-2016-7427",
      "id": "CVE-2016-7427",
      "initial_release_date": "2016-11-21T00:00:00+00:00",
      "product_status:known_not_affected": "12",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "ntp: Broadcast Mode Replay Prevention DoS",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-7427.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T02:12:23Z",
      "cve": "CVE-2016-7427",
      "id": "CVE-2016-7427",
      "initial_release_date": "2023-02-15T04:58:21Z",
      "product_status:known_affected": "30",
      "product_status:recommended": "107",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-7427",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-7427.json",
      "version": "16"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.