Palo Alto Networks Security Advisories / CVE-2020-1994

CVE-2020-1994 PAN-OS: Predictable temporary file vulnerability

Severity 4.1 · MEDIUM
Attack Vector LOCAL
Attack Complexity HIGH
Confidentiality Impact NONE
Privileges Required HIGH
Integrity Impact HIGH
User Interaction NONE
Availability Impact NONE


A predictable temporary file vulnerability in PAN-OS allows a local authenticated user with shell access to corrupt arbitrary system files affecting the integrity of the system.

This issue affects:

All versions of PAN-OS 7.1 and 8.0;

PAN-OS 8.1 versions earlier than 8.1.13;

PAN-OS 9.0 versions earlier than 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:4.1 (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N)

Weakness Type

CWE-377 Insecure Temporary File


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 now 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 is only being considered for critical security vulnerability fixes.


This issue was found by a customer.


Initial publication
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