#VU102454 Improper Authentication in SonicOS - CVE-2024-53704

Vulnerability identifier: #VU102454

Vulnerability risk: Medium

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2024-53704

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
SonicOS
Operating systems & Components / Operating system

Vendor: SonicWall

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in in the SSLVPN authentication mechanism. A remote attacker can bypass authentication process and gain unauthorized access to the network.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SonicOS: before 6.5.5.1-6n

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External links
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003
https://www.zerodayinitiative.com/advisories/ZDI-25-012/

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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 Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.