Palo Alto Networks Security Advisories / CVE-2020-2028

CVE-2020-2028 PAN-OS: OS command injection vulnerability in FIPS-CC mode certificate verification

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


An OS Command Injection vulnerability in PAN-OS management server allows authenticated administrators to execute arbitrary OS commands with root privileges when uploading a new certificate in FIPS-CC mode.

This issue affects:

All versions of PAN-OS 7.1 and PAN-OS 8.0;

PAN-OS 8.1 versions earlier than PAN-OS 8.1.13;

PAN-OS 9.0 versions earlier than PAN-OS 9.0.7.

Product Status

PAN-OS 9.1None>= 9.1.0
PAN-OS 9.0< 9.0.7>= 9.0.7
PAN-OS 8.1< 8.1.13>= 8.1.13
PAN-OS 8.08.0.*
PAN-OS 7.17.1.*


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)

Weakness Type

CWE-78 OS Command Injection


This issue is fixed in PAN-OS 8.1.13, PAN-OS 9.0.7, PAN-OS 9.1.0, and all later PAN-OS versions.

PAN-OS 8.0 is end-of-life (as of October 31, 2019) and is no longer covered by our Product Security Assurance policies.

PAN-OS 7.1 is on extended support until June 30, 2020, and we are considering updates only for critical security vulnerability fixes.

Workarounds and Mitigations

This issue affects the management interface of PAN-OS and you can mitigate the impact of this issue by following best practices for securing the PAN-OS management interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at


This issue was found by Nicholas Newsom of Palo Alto Networks during internal security review.


Initial publication
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