Palo Alto Networks Security Advisories / CVE-2023-6794

CVE-2023-6794 PAN-OS: File Upload Vulnerability in the Web Interface

047910
Severity 5.9 · MEDIUM
Urgency REDUCED
Response Effort LOW
Recovery AUTOMATIC
Value Density DIFFUSE
Attack Vector NETWORK
Attack Complexity LOW
Attack Requirements PRESENT
Automatable NO
User Interaction NONE
Product Confidentiality HIGH
Product Integrity LOW
Product Availability NONE
Privileges Required HIGH
Subsequent Confidentiality NONE
Subsequent Integrity NONE
Subsequent Availability NONE

Description

An arbitrary file upload vulnerability in Palo Alto Networks PAN-OS software enables an authenticated read-write administrator with access to the web interface to disrupt system processes and potentially execute arbitrary code with limited privileges on the firewall.

Product Status

VersionsAffectedUnaffected
Cloud NGFW NoneAll
PAN-OS 11.1NoneAll
PAN-OS 11.0NoneAll
PAN-OS 10.2NoneAll
PAN-OS 10.1NoneAll
PAN-OS 9.1< 9.1.14>= 9.1.14
PAN-OS 9.0< 9.0.17-h1>= 9.0.17-h1
PAN-OS 8.1< 8.1.26>= 8.1.26
Prisma Access NoneAll

Severity: MEDIUM

CVSSv4.0 Base Score: 5.9 (CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/AU:N/R:A/V:D/RE:L/U:Green)

Exploitation Status

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Weakness Type

CWE-434 Unrestricted Upload of File with Dangerous Type

Solution

This issue is fixed in PAN-OS 8.1.26, PAN-OS 9.0.17-h1, PAN-OS 9.1.14, and all later PAN-OS versions.

Workarounds and Mitigations

This issue requires the attacker to have authenticated access to the PAN-OS web interface. You can mitigate the impact of this issue by following the Best Practices for Securing Administrative Access in the PAN-OS technical documentation at https://docs.paloaltonetworks.com/best-practices.

Acknowledgments

This issue was found by Palo Alto Networks during an internal security review.

Timeline

Initial publication
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