{"api_version":"1","generated_at":"2026-04-23T04:20:51+00:00","cve":"CVE-2020-25637","urls":{"html":"https://cve.report/CVE-2020-25637","api":"https://cve.report/api/cve/CVE-2020-25637.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-25637","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-25637"},"summary":{"title":"CVE-2020-25637","description":"A double free memory issue was found to occur in the libvirt API, in versions before 6.8.0, responsible for requesting information about network interfaces of a running QEMU domain. This flaw affects the polkit access control driver. Specifically, clients connecting to the read-write socket with limited ACL permissions could use this flaw to crash the libvirt daemon, resulting in a denial of service, or potentially escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2020-10-06 14:15:00","updated_at":"2024-04-01 13:16:00"},"problem_types":["CWE-415"],"metrics":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00073.html","name":"openSUSE-SU-2020:1777","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2020:1777-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html","name":"[debian-lts-announce] 20240401 [SECURITY] [DLA 3778-1] libvirt security update","refsource":"","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://security.gentoo.org/glsa/202210-06","name":"GLSA-202210-06","refsource":"GENTOO","tags":[],"title":"libvirt: Multiple Vulnerabilities (GLSA 202210-06) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1881037","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1881037","refsource":"MISC","tags":["Issue Tracking","Patch","Vendor Advisory"],"title":"1881037 – (CVE-2020-25637) CVE-2020-25637 libvirt: double free in qemuAgentGetInterfaces() in qemu_agent.c","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00072.html","name":"openSUSE-SU-2020:1778","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2020:1778-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-25637","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25637","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"25637","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"opensuse","cpe5":"leap","cpe6":"15.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"25637","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"opensuse","cpe5":"leap","cpe6":"15.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"25637","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"25637","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"25637","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"advanced_virtualization","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"25637","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"25637","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"25637","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"advanced_virtualization","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"25637","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"libvirt","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"25637","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"libvirt","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-25637","qid":"159456","title":"Oracle Enterprise Linux Security Update for virt:ol and virt-devel:rhel (ELSA-2021-1762)"},{"cve":"CVE-2020-25637","qid":"198763","title":"Ubuntu Security Notification for libvirt Vulnerabilities (USN-5399-1)"},{"cve":"CVE-2020-25637","qid":"239306","title":"Red Hat Update for virt:rhel and virt-devel:rhel (RHSA-2021:1762)"},{"cve":"CVE-2020-25637","qid":"377413","title":"Alibaba Cloud Linux Security Update for virt:rhel and virt-devel:rhel (ALINUX3-SA-2022:0119)"},{"cve":"CVE-2020-25637","qid":"377483","title":"Alibaba Cloud Linux Security Update for libvirt (ALINUX2-SA-2020:0182)"},{"cve":"CVE-2020-25637","qid":"500327","title":"Alpine Linux Security Update for libvirt"},{"cve":"CVE-2020-25637","qid":"501613","title":"Alpine Linux Security Update for libvirt"},{"cve":"CVE-2020-25637","qid":"6000552","title":"Debian Security Update for libvirt (DLA 3778-1)"},{"cve":"CVE-2020-25637","qid":"710643","title":"Gentoo Linux libvirt Multiple Vulnerabilities (GLSA 202210-06)"},{"cve":"CVE-2020-25637","qid":"900185","title":"CBL-Mariner Linux Security Update for libvirt 6.1.0"},{"cve":"CVE-2020-25637","qid":"901534","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for libvirt (6658-1)"},{"cve":"CVE-2020-25637","qid":"903345","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for libvirt (3113)"},{"cve":"CVE-2020-25637","qid":"940118","title":"AlmaLinux Security Update for virt:rhel and virt-devel:rhel (ALSA-2021:1762)"},{"cve":"CVE-2020-25637","qid":"960265","title":"Rocky Linux Security Update for virt:rhel and virt-devel:rhel (RLSA-2021:1762)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2020-25637","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"libvirt","version":{"version_data":[{"version_value":"libvirt versions before 6.8.0"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-415"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1881037","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1881037"},{"refsource":"SUSE","name":"openSUSE-SU-2020:1778","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00072.html"},{"refsource":"SUSE","name":"openSUSE-SU-2020:1777","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00073.html"},{"refsource":"GENTOO","name":"GLSA-202210-06","url":"https://security.gentoo.org/glsa/202210-06"}]},"description":{"description_data":[{"lang":"eng","value":"A double free memory issue was found to occur in the libvirt API, in versions before 6.8.0, responsible for requesting information about network interfaces of a running QEMU domain. This flaw affects the polkit access control driver. Specifically, clients connecting to the read-write socket with limited ACL permissions could use this flaw to crash the libvirt daemon, resulting in a denial of service, or potentially escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."}]}},"nvd":{"publishedDate":"2020-10-06 14:15:00","lastModifiedDate":"2024-04-01 13:16:00","problem_types":["CWE-415"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":6.7,"baseSeverity":"MEDIUM"},"exploitabilityScore":0.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":7.2},"severity":"HIGH","exploitabilityScore":3.9,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*","versionEndExcluding":"6.8.0","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"25637","Ordinal":"187054","Title":"CVE-2020-25637","CVE":"CVE-2020-25637","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"25637","Ordinal":"1","NoteData":"A double free memory issue was found to occur in the libvirt API, in versions before 6.8.0, responsible for requesting information about network interfaces of a running QEMU domain. This flaw affects the polkit access control driver. Specifically, clients connecting to the read-write socket with limited ACL permissions could use this flaw to crash the libvirt daemon, resulting in a denial of service, or potentially escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"25637","Ordinal":"2","NoteData":"2020-10-06","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"25637","Ordinal":"3","NoteData":"2020-10-30","Type":"Other","Title":"Modified"}]}}}