CVE-2020-1997

Name: CVE-2020-1997
Creator: NVD / NIST
Published: 2020-05-13T19:15:12.707+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.89%

Last modified Jun 17, 2026

CVE-2020-1997 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An open redirection vulnerability in the GlobalProtect component of Palo Alto Networks PAN-OS allows an attacker to specify an arbitrary redirection target away from the trusted GlobalProtect gateway. If the user then successfully authenticates it will cause them to access an unexpected and potentially malicious website. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

Description

An open redirection vulnerability in the GlobalProtect component of Palo Alto Networks PAN-OS allows an attacker to specify an arbitrary redirection target away from the trusted GlobalProtect gateway. If the user then successfully authenticates it will cause them to access an unexpected and potentially malicious website. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.0 versions earlier than 8.0.14.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.89%

54.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Paloaltonetworks	Pan-Os	>= 7.1.0, < 7.1.26
Paloaltonetworks	Pan-Os	>= 8.0.0, < 8.0.14

References

https://security.paloaltonetworks.com/CVE-2020-1997Vendor Advisory
https://security.paloaltonetworks.com/CVE-2020-1997Vendor Advisory

Timeline

Published: May 13, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1997?

How severe is CVE-2020-1997?

CVE-2020-1997 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1997?

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-2020-1997?

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

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Source: NVD / NIST