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

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CVE-2021-30065

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
03/04/2022
Last modified:
09/04/2022

Description

On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23, TCSEFEA23F3F20/21, and Belden Tofino Xenon Security Appliance, crafted ModBus packets can bypass the ModBus enforcer. NOTE: this issue exists because of an incomplete fix of CVE-2017-11401.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N 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:H/A:N

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

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

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:belden:tofino_xenon_security_appliance_firmware:*:*:*:*:*:*:*:* 03.2.03 (excluding)
cpe:2.3:h:belden:tofino_xenon_security_appliance:-:*:*:*:*:*:*:*
cpe:2.3:o:belden:tofino_argon_fa-tsa-220-tx\/mm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:tofino_argon_fa-tsa-220-tx\/mm:-:*:*:*:*:*:*:*
cpe:2.3:o:belden:tofino_argon_fa-tsa-220-tx\/tx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:tofino_argon_fa-tsa-220-tx\/tx:-:*:*:*:*:*:*:*
cpe:2.3:o:belden:tofino_argon_fa-tsa-220-mm\/tx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:tofino_argon_fa-tsa-220-mm\/tx:-:*:*:*:*:*:*:*
cpe:2.3:o:belden:tofino_argon_fa-tsa-220-mm\/mm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:tofino_argon_fa-tsa-220-mm\/mm:-:*:*:*:*:*:*:*
cpe:2.3:o:belden:tofino_argon_fa-tsa-100-tx\/tx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:tofino_argon_fa-tsa-100-tx\/tx:-:*:*:*:*:*:*:*
cpe:2.3:o:belden:eagle_20_tofino_943_987-505-mm\/mm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:eagle_20_tofino_943_987-505-mm\/mm:-:*:*:*:*:*:*:*
cpe:2.3:o:belden:eagle_20_tofino_943_987-504-mm\/tx_firmware:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools