National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2020-1992 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Nist CVSS score does not match with CNA score
CNA:  Palo Alto Networks, Inc.
Base Score: 8.1 HIGH
Vector:  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://security.paloaltonetworks.com/CVE-2020-1992 Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-134 Use of Externally-Controlled Format String NIST   Palo Alto Networks, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
9.0.0
Up to (excluding)
9.0.7
 cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
9.1.0
Up to (excluding)
9.1.2
Running on/with
 cpe:2.3:h:paloaltonetworks:pa-7050:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:paloaltonetworks:pa-7080:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-1992
NVD Published Date:
04/08/2020
NVD Last Modified:
04/10/2020