#VU27897 Arbitrary file upload in Palo Alto PAN-OS - CVE-2020-2001

Vulnerability identifier: #VU27897

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-2001

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Palo Alto PAN-OS
Operating systems & Components / Operating system

Vendor: Palo Alto Networks, Inc.

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in the Palo Alto Networks PAN-OS Panorama XSLT processing logic. A remote non-authenticated attacker can upload a malicious file and execute it on the system with administrator privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 7.1.0 - 7.1.26, 8.0.0 - 8.0.21, 8.1.0 - 8.1.11, 9.0.0 - 9.0.5

---

External links
https://security.paloaltonetworks.com/CVE-2020-2001

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.