CVE-2020-1994

Name: CVE-2020-1994
Creator: NVD / NIST
Published: 2020-05-13T19:15:12.44+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2020-1994 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. A predictable temporary file vulnerability in PAN-OS allows a local authenticated user with shell access to corrupt arbitrary system files affecting the integrity of the system. This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

A predictable temporary file vulnerability in PAN-OS allows a local authenticated user with shell access to corrupt arbitrary system files affecting the integrity of the system. This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7.

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.24%

14.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-377

Affected Software

Vendor	Product	Versions
Paloaltonetworks	Pan-Os	>= 7.1.0, <= 7.1.26
Paloaltonetworks	Pan-Os	>= 8.0.0, <= 8.0.20
Paloaltonetworks	Pan-Os	>= 8.1.0, < 8.1.13
Paloaltonetworks	Pan-Os	>= 9.0.0, <= 9.0.6

References

https://security.paloaltonetworks.com/CVE-2020-1994Vendor Advisory
https://security.paloaltonetworks.com/CVE-2020-1994Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-1994?

How severe is CVE-2020-1994?

CVE-2020-1994 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1994?

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-2020-1994?

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

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Source: NVD / NIST