Denial of service in Palo Alto Cortex XDR Agent for Windows



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-2020
CWE-ID CWE-388
Exploitation vector Local
Public exploit N/A
Vulnerable software
Cortex XDR Agent for Windows
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor Palo Alto Networks, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Error handling

EUVDB-ID: #VU48909

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-2020-2020

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

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

The vulnerability exists due to insufficient handling of exceptional conditions in in Cortex XDR Agent. A local user can create files in the software's internal program directory that prevents the Cortex XDR Agent from starting when the software or machine is restarted.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cortex XDR Agent for Windows: 5.0.0 - 7.1.1

CPE2.3 External links

https://security.paloaltonetworks.com/CVE-2020-2020


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.



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