CVE-2020-1990

Name: CVE-2020-1990
Creator: NVD / NIST
Published: 2020-04-08T19:15:14.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 2.13%

Last modified Jun 17, 2026

CVE-2020-1990 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A stack-based buffer overflow vulnerability in the management server component of PAN-OS allows an authenticated user to upload a corrupted PAN-OS configuration and potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 8.1 versions before 8.1.13; 9.0 versions before 9.0.7. EPSS estimates a 2.13% chance of exploitation in the next 30 days.

Description

A stack-based buffer overflow vulnerability in the management server component of PAN-OS allows an authenticated user to upload a corrupted PAN-OS configuration and potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 8.1 versions before 8.1.13; 9.0 versions before 9.0.7. This issue does not affect PAN-OS 7.1.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

2.13%

79.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Paloaltonetworks	Pan-Os	>= 8.1.0, < 8.1.13
Paloaltonetworks	Pan-Os	>= 9.0.0, < 9.0.7

References

https://security.paloaltonetworks.com/CVE-2020-1990Vendor Advisory
https://security.paloaltonetworks.com/CVE-2020-1990Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-1990?

How severe is CVE-2020-1990?

CVE-2020-1990 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 2.13% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1990?

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-2020-1990?

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

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Source: NVD / NIST