Palo Alto Networks Security Advisories / CVE-2020-1991

CVE-2020-1991 Traps: Insecure temporary file vulnerability may allow privilege escalation on Windows

Severity 7.8 · HIGH
Attack Vector LOCAL
Attack Complexity LOW
Confidentiality Impact HIGH
Privileges Required LOW
Integrity Impact HIGH
User Interaction NONE
Availability Impact HIGH


An insecure temporary file vulnerability in Palo Alto Networks Traps allows a local authenticated Windows user to escalate privileges or overwrite system files.

This issue affects Palo Alto Networks Traps 5.0 versions before 5.0.8; 6.1 versions before 6.1.4 on Windows; all versions of 6.0, 4.2, 4.1, and older releases on Windows.

This issue does not affect Cortex XDR 7.0.

This issue does not affect Traps for Linux or MacOS.

Product Status

Traps 6.1< 6.1.4 on Windows>= 6.1.4 on Windows
Traps 6.06.0.* on Windows
Traps 5.0< 5.0.8 on Windows>= 5.0.8 on Windows
Traps 4.24.2.* on Windows


CVSSv3.1 Base Score:7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Weakness Type

CWE-377 Insecure Temporary File


This issue is fixed in Traps 5.0.8, 6.1.4 and later versions.

Workarounds and Mitigations

There are no viable workarounds for this issue.


Palo Alto Networks thanks Lasse Trolle Borup of Danish Cyber Defence for discovering and reporting this issue.


Updated affected versions
Initial publication
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