Denial of service in Palo Alto Cortex XDR Agent

1) NULL pointer dereference

EUVDB-ID: #VU107392

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-0121

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cortex XDR Agent for Windows: 7.9-CE - 8.6.0

CPE2.3

• cpe:2.3:a:palo_alto_networks:cortex_xdr_agent:7.9-CE:*:*:*:*:*:*:*
• cpe:2.3:a:palo_alto_networks:cortex_xdr_agent:7.9.101-CE:*:*:*:*:*:*:*
• cpe:2.3:a:palo_alto_networks:cortex_xdr_agent:7.9.102-CE:*:*:*:*:*:*:*
• cpe:2.3:a:palo_alto_networks:cortex_xdr_agent:8.3-CE:*:*:*:*:*:*:*
• cpe:2.3:a:palo_alto_networks:cortex_xdr_agent:8.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:palo_alto_networks:cortex_xdr_agent:8.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:palo_alto_networks:cortex_xdr_agent:8.6.0:*:*:*:*:*:*:*

External links

https://security.paloaltonetworks.com/CVE-2025-0121

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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