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

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CVE-2021-31894

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
13/07/2021
Last modified:
10/08/2022

Description

A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.X (All versions

Impact

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

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

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

Base Score 3.x
8.80
Severity 3.x
HIGH
Vector 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

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

Base Score 2.0
7.20
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:siemens:simatic_pcs_7_firmware:*:*:*:*:*:*:*:* 8.2 (including)
cpe:2.3:o:siemens:simatic_pcs_7_firmware:9.0:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_pcs_7:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_pdm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_pdm:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_step_7_firmware:*:*:*:*:*:*:*:* 5.0 (including) 5.7 (excluding)
cpe:2.3:h:siemens:simatic_step_7:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:sinamics_starter_firmware:*:*:*:*:*:*:*:* 5.4 (excluding)
cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:-:*:*:*:*:*:*
cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:hf1:*:*:*:*:*:*
cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:hf2:*:*:*:*:*:*
cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:sp1:*:*:*:*:*:*
cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:sp1_hf1:*:*:*:*:*:*
cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:sp2:*:*:*:*:*:*
cpe:2.3:h:siemens:sinamics_starter:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools