Users impersonation in Palo Alto Networks PAN-OS

1) Improper certificate validation

EUVDB-ID: #VU100606

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-5918

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote user to impersonate other users.

The vulnerability exists due to improper certificate validation. A remote authenticated user can use a specially crafted certificate to impersonate other users.

The vulnerability affects systems with enabled option "Allow Authentication with User Credentials OR Client Certificate".

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 10.1.0 - 11.0.2-h3

CPE2.3

• cpe:2.3:o:palo_alto_networks:pan-os:10.1.0:*:*:*:*:*:*:*
• cpe:2.3:o:palo_alto_networks:pan-os:10.1.1:*:*:*:*:*:*:*
• cpe:2.3:o:palo_alto_networks:pan-os:10.1.2:*:*:*:*:*:*:*
• cpe:2.3:o:palo_alto_networks:pan-os:10.1.3:*:*:*:*:*:*:*
• cpe:2.3:o:palo_alto_networks:pan-os:10.1.4:*:*:*:*:*:*:*
• cpe:2.3:o:palo_alto_networks:pan-os:10.1.5:*:*:*:*:*:*:*
• cpe:2.3:o:palo_alto_networks:pan-os:10.1.5-hf:*:*:*:*:*:*:*
• cpe:2.3:o:palo_alto_networks:pan-os:10.1.6:*:*:*:*:*:*:*
• cpe:2.3:o:palo_alto_networks:pan-os:10.1.6-h1:*:*:*:*:*:*:*
• cpe:2.3:o:palo_alto_networks:pan-os:10.1.6-h2:*:*:*:*:*:*:*

External links

https://security.paloaltonetworks.com/CVE-2024-5918

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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