{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-05T07:36:52.932","vulnerabilities":[{"cve":{"id":"CVE-2018-1139","sourceIdentifier":"secalert@redhat.com","published":"2018-08-22T14:29:00.363","lastModified":"2024-11-21T03:59:16.187","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A flaw was found in the way samba before 4.7.9 and 4.8.4 allowed the use of weak NTLMv1 authentication even when NTLMv1 was explicitly disabled. A man-in-the-middle attacker could use this flaw to read the credential and other details passed between the samba server and client."},{"lang":"es","value":"Se ha detectado un fallo en la manera en la que samba en versiones anteriores a la 4.7.9 y 4.8.4 permitía el uso de la autenticación NTLMv1 débil incluso cuando NTLMv1 estaba explícitamente deshabilitado. Un atacante Man-in-the-Middle (MitM) podría utilizar este fallo para leer la credencial y otros detalles pasados entre el servidor y cliente de samba."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.2,"impactScore":5.9}],"cvssMetricV30":[{"source":"secalert@redhat.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.5}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-522"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7.0","versionEndExcluding":"4.7.9","matchCriteriaId":"D2D88D65-4DCC-44B4-9671-1D2C5FE598D9"},{"vulnerable":true,"criteria":"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8.0","versionEndExcluding":"4.8.4","matchCriteriaId":"24E405D2-03BC-4808-A8F1-1C4BF24CFCCA"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","matchCriteriaId":"B5A6F2F3-4894-4392-8296-3B8DD2679084"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","matchCriteriaId":"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","matchCriteriaId":"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*","matchCriteriaId":"33C068A4-3780-4EAB-A937-6082DF847564"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*","matchCriteriaId":"51EF4996-72F4-4FA4-814F-F5991E7A8318"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*","matchCriteriaId":"825ECE2D-E232-46E0-A047-074B34DB1E97"}]}]}],"references":[{"url":"http://www.securityfocus.com/bid/105084","source":"secalert@redhat.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://access.redhat.com/errata/RHSA-2018:2612","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2018:2613","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2018:3056","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1139","source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202003-52","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20180814-0001/","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://usn.ubuntu.com/3738-1/","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://www.samba.org/samba/security/CVE-2018-1139.html","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/105084","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://access.redhat.com/errata/RHSA-2018:2612","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2018:2613","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2018:3056","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1139","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202003-52","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20180814-0001/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://usn.ubuntu.com/3738-1/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.samba.org/samba/security/CVE-2018-1139.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}