Palo Alto Networks Security Advisories / CVE-2020-1980

CVE-2020-1980 PAN-OS: Shell injection vulnerability in PAN-OS CLI allows execution of shell commands

047910
Severity 7.8 · HIGH
Attack Vector LOCAL
Attack Complexity LOW
Privileges Required LOW
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact HIGH
Integrity Impact HIGH
Availability Impact HIGH

Description

A shell command injection vulnerability in the PAN-OS CLI allows a local authenticated user to escape the restricted shell and escalate privileges.

This issue affects only PAN-OS 8.1 versions earlier than PAN-OS 8.1.13.

This issue does not affect PAN-OS 7.1, PAN-OS 9.0, or later PAN-OS versions.

Product Status

VersionsAffectedUnaffected
PAN-OS 9.1None>= 9.1.0
PAN-OS 9.0None>= 9.0.0
PAN-OS 8.1< 8.1.13>= 8.1.13
PAN-OS 7.1None>= 7.1.0

Required Configuration for Exposure

N/A

Severity: HIGH

CVSSv3.1 Base Score: 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Weakness Type

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

Solution

This issue is fixed in PAN-OS 8.1.13, and all later versions.

Workarounds and Mitigations

This issue affects the management interface of PAN-OS and is mitigated by following best practices for securing the PAN-OS management interface. Our best practices guidelines reduce the exposure of the management interface to potential attackers. Please review the Best Practices for Securing Administrative Access in the PAN-OS 8.1 technical documentation, available at: https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-admin/getting-started/best-practices-for-securing-administrative-access.

Acknowledgments

This issue was discovered during an internal security review.

Timeline

Initial publication
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