Show plain JSON{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://xenbits.xen.org/xsa/advisory-345.html", "name": "https://xenbits.xen.org/xsa/advisory-345.html", "tags": ["Patch", "Vendor Advisory"], "refsource": "MISC"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html", "name": "openSUSE-SU-2020:1783", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html", "name": "openSUSE-SU-2020:1844", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "https://security.gentoo.org/glsa/202011-06", "name": "GLSA-202011-06", "tags": ["Third Party Advisory"], "refsource": "GENTOO"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/", "name": "FEDORA-2020-6dd36a716c", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}, {"url": "https://www.debian.org/security/2020/dsa-4804", "name": "DSA-4804", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "http://www.openwall.com/lists/oss-security/2021/01/19/7", "name": "[oss-security] 20210119 Xen Security Advisory 345 v4 (CVE-2020-27672) - x86: Race condition in Xen mapping code", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://xenbits.xen.org/xsa/advisory-345.html", "name": "http://xenbits.xen.org/xsa/advisory-345.html", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "CWE-416"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-27672", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}}, "publishedDate": "2020-10-22T21:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "4.14.0", "versionStartIncluding": "3.2.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-04-26T16:23Z"}