CVE-2020-1991

Name: CVE-2020-1991
Creator: NVD / NIST
Published: 2020-04-08T19:15:14.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2020-1991 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.1/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS Probability

0.27%

17.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Paloaltonetworks	Traps	>= 5.0, < 5.0.8
Paloaltonetworks	Traps	>= 6.1, < 6.1.4

References

https://security.paloaltonetworks.com/CVE-2020-1991Vendor Advisory
https://security.paloaltonetworks.com/CVE-2020-1991Vendor Advisory

Timeline

Published: Apr 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1991?

How severe is CVE-2020-1991?

CVE-2020-1991 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1991?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1991?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST