Vulnerability identifier: #VU81297

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-44218

CWE-ID: CWE-287

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
NetExtender for Windows
Client/Desktop applications / Other client software

Vendor: SonicWall

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in NetExtender Pre-Logon feature. A remote attacker on the local network can gain access to the host Windows operating system with SYSTEM level privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

NetExtender for Windows: 10.2.0.300 - 10.2.336

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External links
http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0014

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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