Vulnerability identifier: #VU66488

Vulnerability risk: Low

CVSSv3.1: 4.5 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-33126

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
700 Series Ethernet Controllers and Adapters
Hardware solutions / Routers & switches, VoIP, GSM, etc
722 Series Ethernet Controllers and Adapters
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor:

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the firmware. A local administrator can bypass implemented security restrictions and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html

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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.