Palo Alto Networks Security Advisories / CVE-2020-2003

CVE-2020-2003 PAN-OS: Authenticated administrator can delete arbitrary system file

047910
Severity 6.5 · MEDIUM
Attack Vector NETWORK
Attack Complexity LOW
Privileges Required HIGH
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact NONE
Integrity Impact HIGH
Availability Impact HIGH

Description

An external control of filename vulnerability in the command processing of PAN-OS allows an authenticated administrator to delete arbitrary system files affecting the integrity of the system or causing denial of service to all PAN-OS services.

This issue affects:

All versions of PAN-OS 7.1 and 8.0;

PAN-OS 8.1 versions before 8.1.14;

PAN-OS 9.0 versions before 9.0.7;

PAN-OS 9.1 versions before 9.1.1.

Product Status

PAN-OS

VersionsAffectedUnaffected
9.1< 9.1.1>= 9.1.1
9.0< 9.0.7>= 9.0.7
8.1< 8.1.14>= 8.1.14
8.08.0.*
7.17.1.*

Severity: MEDIUM

CVSSv3.1 Base Score: 6.5 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H)

Weakness Type

CWE-73 External Control of File Name or Path

Solution

This issue is fixed in PAN-OS 8.1.14, PAN-OS 9.0.7, PAN-OS 9.1.1, and all later PAN-OS versions.

PAN-OS 8.0 is now end-of-life as of October 31, 2019, and is no longer covered by our Product Security Assurance policies.

PAN-OS 7.1 is on extended support until June 30, 2020, and is only being considered for critical security vulnerability fixes.

Workarounds and Mitigations

This issue affects the management interface of PAN-OS and is strongly mitigated by following best practices for securing the PAN-OS management interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at: https://docs.paloaltonetworks.com

Acknowledgments

This issue was found by Jin Chen of Palo Alto Networks during internal security review.

Timeline

Initial publication
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