Palo Alto Networks Security Advisories / CVE-2020-2048

CVE-2020-2048 PAN-OS: System proxy passwords may be logged in clear text while viewing system state

047910
Severity 3.3 · LOW
Attack Vector LOCAL
Attack Complexity LOW
Privileges Required LOW
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact LOW
Integrity Impact NONE
Availability Impact NONE

Description

An information exposure through log file vulnerability exists where the password for the configured system proxy server for a PAN-OS appliance may be displayed in cleartext when using the CLI in Palo Alto Networks PAN-OS software.

This issue impacts:

PAN-OS 8.1 versions earlier than PAN-OS 8.1.17;

PAN-OS 9.0 versions earlier than PAN-OS 9.0.11;

PAN-OS 9.1 versions earlier than PAN-OS 9.1.2.

Product Status

VersionsAffectedUnaffected
PAN-OS 10.0None10.0.*
PAN-OS 9.1< 9.1.2>= 9.1.2
PAN-OS 9.0< 9.0.11>= 9.0.11
PAN-OS 8.1< 8.1.17>= 8.1.17

Required Configuration for Exposure

This issue is only applicable when a system proxy server is configured on the firewall. You can verify this in the management web interface: Setup -> Services -> Proxy Server.

Severity: LOW

CVSSv3.1 Base Score: 3.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

Exploitation Status

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Weakness Type

CWE-532 Information Exposure Through Log Files

Solution

This issue is fixed in PAN-OS 8.1.17, PAN-OS 9.0.11, PAN-OS 9.1.2, and all later PAN-OS versions.

Workarounds and Mitigations

This issue impacts the management web interface. You can mitigate the impact of this issue by following best practices for securing the 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

This issue was found by a customer of Palo Alto Networks during internal security review.

Timeline

Initial publication
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