Vulnerability CVE-2021-33115

Vulnerability Name:

CVE-2021-33115 (CCN-219082)

Assigned:

2021-05-18

Published:

2022-02-08

Updated:

2022-02-15

Summary:

Improper input validation for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.

CVSS v3 Severity:

8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Adjacent Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

6.8 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
5.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Adjacent Attack Complexity (AC): High Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): None

CVSS v2 Severity:

5.8 Medium (CVSS v2 Vector: AV:A/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Adjacent_Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

6.2 Medium (CCN CVSS v2 Vector: AV:A/AC:H/Au:N/C:C/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Adjacent_Network Access Complexity (AC): High Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): None