Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-7935

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
19/05/2017
Last modified:
20/04/2025

Description

A Resource Exhaustion issue was discovered in Phoenix Contact GmbH mGuard firmware versions 8.3.0 to 8.4.2. An attacker may compromise the device's availability by performing multiple initial VPN requests.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.0:*:*:*:*:*:*:*
cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.1:*:*:*:*:*:*:*
cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.2:*:*:*:*:*:*:*
cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.0:*:*:*:*:*:*:*
cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.1:*:*:*:*:*:*:*
cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.2:*:*:*:*:*:*:*
cpe:2.3:h:phoenix_contact_gmbh:mguard:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools