CVE-2021-46143

Severity CVSS v4.0:

Pending analysis

Type:

CWE-190 Integer Overflow or Wraparound

Publication date:

06/01/2022

Last modified:

05/05/2025

Description

In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.

Impact

Vector 3.x

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

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

8.10

Severity 3.x

HIGH

Vector 2.0

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

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

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

Base Score 2.0

6.80

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:libexpat_project:libexpat::::::::		2.4.3 (excluding)
cpe:2.3:a:netapp:active_iq_unified_manager:-:::::vmware_vsphere::
cpe:2.3:a:netapp:clustered_data_ontap:-:::::::*
cpe:2.3:a:netapp:hci_baseboard_management_controller:h610c:::::::*
cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:::::::*
cpe:2.3:a:netapp:hci_baseboard_management_controller:h615c:::::::*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:::::::*
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:::::::*
cpe:2.3:a:tenable:nessus::::::::		8.15.3 (excluding)
cpe:2.3:a:tenable:nessus::::::::	10.0.0 (including)	10.1.1 (excluding)
cpe:2.3:a:siemens:sinema_remote_connect_server::::::::		3.1 (excluding)

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

CPE	From	Up to
cpe:2.3:a:libexpat_project:libexpat::::::::		2.4.3 (excluding)
cpe:2.3:a:netapp:active_iq_unified_manager:-:::::vmware_vsphere::
cpe:2.3:a:netapp:clustered_data_ontap:-:::::::*
cpe:2.3:a:netapp:hci_baseboard_management_controller:h610c:::::::*
cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:::::::*
cpe:2.3:a:netapp:hci_baseboard_management_controller:h615c:::::::*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:::::::*
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:::::::*
cpe:2.3:a:tenable:nessus::::::::		8.15.3 (excluding)
cpe:2.3:a:tenable:nessus::::::::	10.0.0 (including)	10.1.1 (excluding)
cpe:2.3:a:siemens:sinema_remote_connect_server::::::::		3.1 (excluding)

CVE-2021-46143

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools