CVE-2020-1992 HIGH

CVE-2020-1992: PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege escalation

Vendor Palo Alto Networks
Product PAN-OS
Weakness CWE-134
Published April 8, 2020
Last update September 17, 2024
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 8, 2020 CVE published
September 17, 2024 Record updated