{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege escalation"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2020-1992","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-04-11T00:33:06.316Z","generator":{"date":"2026-04-11T00:33:06.316Z","engine":{"name":"Vulnogram","version":"0.0.9"}},"id":"CVE-2020-1992","initial_release_date":"2020-04-08T16:00:00.000Z","revision_history":[{"number":"1","date":"2020-04-08T09:00:00.000Z","summary":"Initial publication"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[]}]},"vulnerabilities":[{"cve":"CVE-2020-1992","product_status":{"fixed":["PANW-PAN-OS-332","PANW-PAN-OS-320"],"known_affected":["PANW-PAN-OS-332","PANW-PAN-OS-320"],"known_not_affected":["PANW-PAN-OS-276","PANW-PAN-OS-313","PANW-PAN-OS-318"]},"notes":[{"category":"description","text":"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.\n\nThis 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.\n\nThis issue requires WildFire services to be configured and enabled.\n\nThis issue does not affect PAN-OS 8.1 and earlier releases.\n\nThis issue does not affect any other PA Series firewalls."}],"references":[{"category":"external","summary":"NVD - CVE-2020-1992","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1992"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2020-1992","url":"https://security.paloaltonetworks.com/CVE-2020-1992"}],"threats":[{"category":"impact","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.\n\nThis 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.\n\nThis issue requires WildFire services to be configured and enabled.\n\nThis issue does not affect PAN-OS 8.1 and earlier releases.\n\nThis issue does not affect any other PA Series firewalls."}],"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH"},"products":["PANW-PAN-OS-332","PANW-PAN-OS-320"]}]}]}