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

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CVE-2017-2681

Severity CVSS v4.0:
HIGH
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
11/05/2017
Last modified:
20/04/2025

Description

Specially crafted PROFINET DCP packets sent on a local Ethernet segment (Layer 2) to an affected product could cause a denial of service condition of that product. Human interaction is required to recover the system. PROFIBUS interfaces are not affected.

Impact

Vector 4.0
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0
7.10
Severity 4.0
HIGH
Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Adjacent
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
6.50
Severity 3.x
MEDIUM
Vector 2.0
AV:A/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.10 MEDIUM
Vector: AV:A/AC:L/Au:N/C:N/I:N/A:C

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

Base Score 2.0
6.10
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:siemens:simatic_cp_343-1_std_firmware:*:*:*:*:*:*:*:* 3.1.3 (excluding)
cpe:2.3:h:siemens:simatic_cp_343-1_std:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_cp_343-1_lean_firmware:*:*:*:*:*:*:*:* 3.1.3 (excluding)
cpe:2.3:h:siemens:simatic_cp_343-1_lean:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_cp_343-1_adv_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_cp_343-1_adv:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_cp_443-1_std_firmware:*:*:*:*:*:*:*:* 3.2.17 (excluding)
cpe:2.3:h:siemens:simatic_cp_443-1_std:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_cp_443-1_adv_firmware:*:*:*:*:*:*:*:* 3.2.17 (excluding)
cpe:2.3:h:siemens:simatic_cp_443-1_adv:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_cp_443-1_opc-ua_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_cp_443-1_opc-ua:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_cp_1243-1_firmware:*:*:*:*:*:*:*:* 2.1.82 (excluding)
cpe:2.3:h:siemens:simatic_cp_1243-1:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_cm_1542-1_firmware:*:*:*:*:*:*:*:* 2.0 (excluding)

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


References to Advisories, Solutions, and Tools