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

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CVE-2017-12741

Severity CVSS v4.0:
HIGH
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
26/12/2017
Last modified:
20/04/2025

Description

Specially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually.

Impact

Vector 4.0
CVSS:4.0/AV:N/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: 8.70 HIGH
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Attack Vector (AV): Network
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
8.70
Severity 4.0
HIGH
Vector 3.x
CVSS:3.1/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:3.1/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:siemens:simatic_s7-200_firmware:*:*:*:*:*:*:*:* 2.03.01 (excluding)
cpe:2.3:h:siemens:simatic_s7-200:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-400pn_v6_firmware:*:*:*:*:*:*:*:* 6.0.6 (excluding)
cpe:2.3:h:siemens:simatic_s7-400pn_v6:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-400h_v6_firmware:*:*:*:*:*:*:*:* 6.0.8 (excluding)
cpe:2.3:h:siemens:simatic_s7-400h_v6:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-400pn\/dp_v7_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7-400pn\/dp_v7:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-410_v8_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7-410_v8:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7-300:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7-1200:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_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