#VU45711 Improper Access Control in Intel products - CVE-2020-8711

Vulnerability identifier: #VU45711

Vulnerability risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-8711

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Intel Server System R1000WT
Hardware solutions / Firmware
Intel Server System R2000WT
Hardware solutions / Firmware
Intel Server Boards S2600WT
Hardware solutions / Firmware
Intel Server Board S2600CW
Hardware solutions / Firmware
Intel Compute Module HNS2600KP
Hardware solutions / Firmware
Intel Server Board S2600KP
Hardware solutions / Firmware
Intel Compute Module HNS2600TP
Hardware solutions / Firmware
Intel Server Board S2600TP
Hardware solutions / Firmware
Intel Server System R1000SP
Hardware solutions / Firmware
Intel Server System LSVRP
Hardware solutions / Firmware
Intel Server System LR1304SP
Hardware solutions / Firmware
Intel Server Board S1200SP
Hardware solutions / Firmware
Intel Server System R1000WF
Hardware solutions / Firmware
Intel Server System R2000WF
Hardware solutions / Firmware
Intel Server Board S2600WF
Hardware solutions / Firmware
Intel Server Board S2600ST
Hardware solutions / Firmware
Intel Compute Module HNS2600BP
Hardware solutions / Firmware
Intel Server Board S2600BP
Hardware solutions / Firmware

Vendor: Intel

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 bootloader. A local administrator can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Intel Server System R1000WT: before 01.01.0029

Intel Server System R2000WT: before 01.01.0029

Intel Server Boards S2600WT: before 01.01.0029

Intel Server Board S2600CW: before 01.01.0029

Intel Compute Module HNS2600KP: before 1.01.0029

Intel Server Board S2600KP: before 1.01.0029

Intel Compute Module HNS2600TP: before 1.01.0029

Intel Server Board S2600TP: before 1.01.0029

Intel Server System R1000SP: before 03.01.0049

Intel Server System LSVRP: before 03.01.0049

Intel Server System LR1304SP: before 03.01.0049

Intel Server Board S1200SP: before 03.01.0049

Intel Server System R1000WF: before 02.01.0012

Intel Server System R2000WF: before 02.01.0012

Intel Server Board S2600WF: before 02.01.0012

Intel Server Board S2600ST: before 02.01.0011

Intel Compute Module HNS2600BP: before 02.01.0012

Intel Server Board S2600BP: before 02.01.0012

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External links
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00384.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.