Improper access control in 722 Series Ethernet Controllers and Adapters and 700 Series Ethernet Controllers and Adapters - CVE-2021-33126
Published: August 15, 2022
Vulnerability identifier: #VU66488
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-33126
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
722 Series Ethernet Controllers and Adapters
700 Series Ethernet Controllers and Adapters
Avamar Data Store Gen5A
PowerFlex Appliance
PowerFlex rack
EMC Integrated Data Protection Appliance
Precision 7920 Rack
VEP4600-16 Core
VEP4600-8 Core
VEP4600-4 Core
700 Series Ethernet Controllers and Adapters
Avamar Data Store Gen5A
PowerFlex Appliance
PowerFlex rack
EMC Integrated Data Protection Appliance
Precision 7920 Rack
VEP4600-16 Core
VEP4600-8 Core
VEP4600-4 Core
How to mitigate CVE-2021-33126
Install updates from vendor's website.
722 Series Ethernet Controllers and Adapters - update to 1.5.5
700 Series Ethernet Controllers and Adapters - update to 8.5
PowerFlex Appliance - update to IC 38.363.02
PowerFlex rack - update to 3.6.3.2
Precision 7920 Rack - update to 21.5.9
VEP4600-16 Core - update to 22.0.9
VEP4600-8 Core - update to 22.0.9
VEP4600-4 Core - update to 22.0.9
700 Series Ethernet Controllers and Adapters - update to 8.5
PowerFlex Appliance - update to IC 38.363.02
PowerFlex rack - update to 3.6.3.2
Precision 7920 Rack - update to 21.5.9
VEP4600-16 Core - update to 22.0.9
VEP4600-8 Core - update to 22.0.9
VEP4600-4 Core - update to 22.0.9
External References
Related Security Bulletins
- Improper access control in Intel 700 and 722 Series Ethernet Controllers and Adapters
- Multiple vulnerabilities in Dell Precision 7920 Rack
- Multiple vulnerabilities in Dell PowerFlex Appliance
- Multiple vulnerabilities in Dell Networking VEP4600
- Multiple vulnerabilities in Dell Avamar Data Store Gen5A
- Multiple vulnetabilities in Dell EMC Integrated Data Protection Appliance
- Multiple vulnerabilities in Dell PowerFlex Rack