Vulnerability identifier: #VU83526

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-5960

CWE-ID: CWE-269

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
USG FLEX series
Client/Desktop applications / Antivirus software/Personal firewalls
VPN series
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: ZyXEL Communications Corp.

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper privilege management in the hotspot feature. A local user can access the system files on the target device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

USG FLEX series: 4.50 - 5.37

VPN series: 4.30 - 5.37

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External links
http://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps

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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.