Palo Alto Networks Security Advisories / CVE-2020-2037

CVE-2020-2037 PAN-OS: OS command injection vulnerability in the management web interface

047910
Severity 7.2 · HIGH
Attack Vector NETWORK
Attack Complexity LOW
Privileges Required HIGH
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact HIGH
Integrity Impact HIGH
Availability Impact HIGH

Description

An OS Command Injection vulnerability in the PAN-OS management interface that allows authenticated administrators to execute arbitrary OS commands with root privileges.

This issue impacts:

PAN-OS 8.1 versions earlier than PAN-OS 8.1.16;

PAN-OS 9.0 versions earlier than PAN-OS 9.0.10;

PAN-OS 9.1 versions earlier than PAN-OS 9.1.3.

Product Status

VersionsAffectedUnaffected
PAN-OS 10.0None>= 10.0.0
PAN-OS 9.1< 9.1.3>= 9.1.3
PAN-OS 9.0< 9.0.10>= 9.0.10
PAN-OS 8.1< 8.1.16>= 8.1.16

Severity: HIGH

CVSSv3.1 Base Score: 7.2 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)

Exploitation Status

Palo Alto Networks is not aware of any malicious attempts to exploit this vulnerability.

Palo Alto Networks is aware of publicly available information that may help construct proof of concept exploits for these issues.

Weakness Type

CWE-78 OS Command Injection

Solution

This issue is fixed in PAN-OS 8.1.16, PAN-OS 9.0.10, PAN-OS 9.1.3, and all later PAN-OS versions.

Workarounds and Mitigations

Until PAN-OS software is upgraded to a fixed version, enabling signatures for Unique Threat ID 59971 on traffic destined for the GlobalProtect portal, gateway, or VPN will block attacks against CVE-2020-2037.

This issue impacts the PAN-OS management web interface but you can mitigate the impact of this issue by following best practices for securing the PAN-OS management web interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at https://docs.paloaltonetworks.com/best-practices.

Acknowledgments

Palo Alto Networks thanks Mikhail Klyuchnikov of Positive Technologies, and Nicholas Newsom of Palo Alto Networks for discovering and reporting this issue.

Timeline

Updated the availability of exploitation resources
Initial publication
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