{"api_version":"1","generated_at":"2026-07-24T18:22:11+00:00","cve":"CVE-2020-1992","urls":{"html":"https://cve.report/CVE-2020-1992","api":"https://cve.report/api/cve/CVE-2020-1992.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-1992","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-1992"},"summary":{"title":"CVE-2020-1992","description":"A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.2 on PA-7000 Series devices with an LFC installed and configured. This issue requires WildFire services to be configured and enabled. This issue does not affect PAN-OS 8.1 and earlier releases. This issue does not affect any other PA Series firewalls.","state":"PUBLIC","assigner":"psirt@paloaltonetworks.com","published_at":"2020-04-08 19:15:00","updated_at":"2020-04-10 13:16:00"},"problem_types":["CWE-134"],"metrics":[],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2020-1992","name":"https://security.paloaltonetworks.com/CVE-2020-1992","refsource":"MISC","tags":["Vendor Advisory"],"title":"CVE-2020-1992 PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege escalation","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-1992","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1992","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"This issue was found by a customer.","lang":""}],"nvd_cpes":[{"cve_year":"2020","cve_id":"1992","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"paloaltonetworks","cpe5":"pa-7050","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"1992","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"paloaltonetworks","cpe5":"pa-7050","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"1992","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"paloaltonetworks","cpe5":"pa-7080","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"1992","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"paloaltonetworks","cpe5":"pa-7080","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"1992","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"paloaltonetworks","cpe5":"pan-os","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"1992","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"paloaltonetworks","cpe5":"pan-os","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"psirt@paloaltonetworks.com","DATE_PUBLIC":"2020-04-08T16:00:00.000Z","ID":"CVE-2020-1992","STATE":"PUBLIC","TITLE":"PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege escalation"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"PAN-OS","version":{"version_data":[{"platform":"PA-7000 series with LFC","version_affected":"<","version_name":"9.0","version_value":"9.0.7"},{"platform":"PA-7000 series with LFC","version_affected":"<","version_name":"9.1","version_value":"9.1.2"},{"platform":"PA-7000 series with LFC","version_affected":"!>=","version_name":"9.0","version_value":"9.0.7"},{"platform":"PA-7000 series with LFC","version_affected":"!>=","version_name":"9.1","version_value":"9.1.2"},{"version_affected":"!","version_name":"8.1","version_value":"8.1.*"},{"version_affected":"!","version_name":"8.0","version_value":"8.0.*"},{"version_affected":"!","version_name":"7.1","version_value":"7.1.*"}]}}]},"vendor_name":"Palo Alto Networks"}]}},"configuration":[{"lang":"eng","value":"This issue requires WildFire services to be configured and enabled."}],"credit":[{"lang":"eng","value":"This issue was found by a customer."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.2 on PA-7000 Series devices with an LFC installed and configured. This issue requires WildFire services to be configured and enabled. This issue does not affect PAN-OS 8.1 and earlier releases. This issue does not affect any other PA Series firewalls."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-134 Use of Externally-Controlled Format String"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://security.paloaltonetworks.com/CVE-2020-1992","name":"https://security.paloaltonetworks.com/CVE-2020-1992"}]},"solution":[{"lang":"eng","value":"This issue is fixed in PAN-OS 9.0.7, PAN-OS 9.1.2 and all later versions."}],"source":{"defect":["PAN-135103"],"discovery":"USER"},"timeline":[{"lang":"eng","time":"2020-04-08T16:00:00.000Z","value":"Initial publication"}],"work_around":[{"lang":"eng","value":"There are no viable workarounds for this issue."}]},"nvd":{"publishedDate":"2020-04-08 19:15:00","lastModifiedDate":"2020-04-10 13:16:00","problem_types":["CWE-134"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:C/I:C/A:C","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":9.3},"severity":"HIGH","exploitabilityScore":8.6,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionEndExcluding":"9.0.7","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"9.1.0","versionEndExcluding":"9.1.2","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:paloaltonetworks:pa-7050:-:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:paloaltonetworks:pa-7080:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"1992","Ordinal":"161462","Title":"CVE-2020-1992","CVE":"CVE-2020-1992","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"1992","Ordinal":"1","NoteData":"A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.2 on PA-7000 Series devices with an LFC installed and configured. This issue requires WildFire services to be configured and enabled. This issue does not affect PAN-OS 8.1 and earlier releases. This issue does not affect any other PA Series firewalls.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"1992","Ordinal":"2","NoteData":"2020-04-08","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"1992","Ordinal":"3","NoteData":"2020-04-08","Type":"Other","Title":"Modified"}]}}}