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

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-08 · updated 2026-06-17
Weakness: CWE-377

Description

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. This issue does not affect Cortex XDR 7.0. This issue does not affect Traps for Linux or MacOS.

Affected products

Palo Alto Networks Traps: from 5.0 before 5.0.8; from 6.1 before 6.1.4 — fixed in 5.0.8, 6.1.4
Palo Alto Networks Traps: from 5.0 before 5.0.8; from 6.1 before 6.1.4 — fixed in 5.0.8, 6.1.4

How to fix

Upgrade to a fixed version: Palo Alto Networks Traps 5.0.8, 6.1.4; Palo Alto Networks Traps 5.0.8, 6.1.4. Check the vendor advisory for mitigations.

References

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