CVE-2020-2048 PAN-OS: System proxy passwords may be logged in clear text while viewing system state
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
| Versions | Affected | Unaffected |
|---|---|---|
| PAN-OS 10.0 | None | 10.0.* |
| 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.