#VU59078 Improper access control in SMA 100 - CVE-2021-20050

Vulnerability identifier: #VU59078

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-20050

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SMA 100
Hardware solutions / Security hardware applicances

Vendor: SonicWall

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions to multiple management APIs. A remote non-authenticated attacker can obtain configuration meta-data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SMA 100: 10.2.0.2-20sv, 10.2.0.3-24sv, 10.2.0.5-d-29sv, 10.2.0.6-31sv, 10.2.0.7-34sv, 10.2.0.8-37sv, 10.2.1.0-17sv, 10.2.1.1-19sv, 10.2.1.2-24sv

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External links
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0031

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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.