Vulnerability identifier: #VU47682

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5143

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SonicOS
Operating systems & Components / Operating system

Vendor: SonicWall

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application on the SonicOS SSLVPN login page. A remote attacker can enumerate firewall administrators based on returned responses.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SonicOS: 5.9 - 7.0

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External links
http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0018

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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?

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