CVE-2020-24455

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

26/02/2021

Last modified:

07/11/2023

Description

Missing initialization of a variable in the TPM2 source may allow a privileged user to potentially enable an escalation of privilege via local access. This affects tpm2-tss before 3.0.1 and before 2.4.3.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.70 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

6.70

Severity 3.x

MEDIUM

Vector 2.0

AV:L/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

4.60

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack::::::::		2.4.3 (excluding)
cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack::::::::	3.0.0 (including)	3.0.1 (excluding)
cpe:2.3:o:fedoraproject:fedora:34:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2020-24455

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools