Improper access control in Intel 700 and 722 Series Ethernet Controllers and Adapters



Published: 2022-08-15
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-33126
CWE-ID CWE-284
Exploitation vector Local
Public exploit N/A
Vulnerable software
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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

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU66488

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 - Improper Access Control

Exploit availability: No

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

700 Series Ethernet Controllers and Adapters: before 8.5

722 Series Ethernet Controllers and Adapters: before 1.5.5

External links

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


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.



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