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

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CVE-2021-22743

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
26/05/2021
Last modified:
07/06/2021

Description

Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position.

Impact

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

Base Score: 3.90 LOW
Vector: CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
3.90
Severity 3.x
LOW
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 2.10 LOW
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0
2.10
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:*:*:*:*:*:*:*:* 11.3.0 (including) 11.8.0 (excluding)
cpe:2.3:h:schneider-electric:triconex_model_3009_mp:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tcm_4351b_firmware:*:*:*:*:*:*:*:* 11.3.0 (including) 11.5.1 (excluding)
cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.7.0:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:tcm_4351b:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools