CVE-2021-3045 PAN-OS: OS Command Argument Injection in Web Interface
Description
An OS command argument injection vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator to read any arbitrary file from the file system.
This issue impacts:
PAN-OS 8.1 versions earlier than PAN-OS 8.1.19;
PAN-OS 9.0 versions earlier than PAN-OS 9.0.14;
PAN-OS 9.1 versions earlier than PAN-OS 9.1.10.
PAN-OS 10.0 and later versions are not impacted.
Product Status
| Versions | Affected | Unaffected |
|---|---|---|
| PAN-OS 10.1 | None | 10.1.* |
| PAN-OS 10.0 | None | 10.0.* |
| PAN-OS 9.1 | < 9.1.10 | >= 9.1.10 |
| PAN-OS 9.0 | < 9.0.14 | >= 9.0.14 |
| PAN-OS 8.1 | < 8.1.19 | >= 8.1.19 |
Severity: MEDIUM
CVSSv3.1 Base Score: 4.9 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)
Weakness Type
CWE-88 Argument Injection or Modification
Solution
This issue is fixed in PAN-OS 8.1.19, PAN-OS 9.0.14, PAN-OS 9.1.10, and all later PAN-OS versions.
Workarounds and Mitigations
This issue requires the attacker to have authenticated access to the PAN-OS web interface. You can mitigate the impact of this issue by following best practices for securing the PAN-OS web interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation at https://docs.paloaltonetworks.com/best-practices.