#VU28957 OS Command Injection in Palo Alto PAN-OS - CVE-2020-2028

Vulnerability identifier: #VU28957

Vulnerability risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-2028

CWE-ID: CWE-78

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 administrator to escalate privileges on the system.

The vulnerability exists due to improper input validation in PAN-OS management server when uploading a new certificate in FIPS-CC mode. A remote authenticated administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system with root privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 7.1 - 7.1.26, 8.0 - 8.0.21, 8.1 - 8.1.12, 9.0.0 - 9.0.6

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External links
https://security.paloaltonetworks.com/CVE-2020-2028

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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