CVE-2020-1992

HIGH

PAN-OS 9.0.0-9.0.6 - Use-After-Free in Varrcvr Daemon via WildFire Log Forwarding

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://security.paloaltonetworks.com/CVE-2020-1992

Scores

CVSS v3 8.1
EPSS 0.0337
EPSS Percentile 87.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-134
Status published
Products (1)
paloaltonetworks/pan-os 9.0.0 - 9.0.7
Published Apr 08, 2020
Tracked Since Feb 18, 2026