CVE-2021-3045

Name: CVE-2021-3045
Creator: NVD / NIST
Published: 2021-08-11T17:15:07.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 0.79%

Last modified Jun 17, 2026

CVE-2021-3045 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. An OS command argument injection vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator to read any arbitrary file from the file system. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

An OS command argument injection vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator to read any arbitrary file from the file system. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10. PAN-OS 10.0 and later versions are not impacted.

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

0.79%

51.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Paloaltonetworks	Pan-Os	>= 8.1.0, < 8.1.19
Paloaltonetworks	Pan-Os	>= 9.0.0, < 9.0.14
Paloaltonetworks	Pan-Os	>= 9.1.0, < 9.1.10

References

https://security.paloaltonetworks.com/CVE-2021-3045Vendor Advisory
https://security.paloaltonetworks.com/CVE-2021-3045Vendor Advisory

Timeline

Published: Aug 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3045?

How severe is CVE-2021-3045?

CVE-2021-3045 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3045?

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-2021-3045?

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

Scan your code now

Source: NVD / NIST