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

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CVE-2021-22772

Severity CVSS v4.0:
Pending analysis
Type:
CWE-306 Missing Authentication for Critical Function
Publication date:
21/07/2021
Last modified:
28/07/2021

Description

A CWE-306: Missing Authentication for Critical Function vulnerability exists in Easergy T200 ((Modbus) SC2-04MOD-07000100 and earlier), Easergy T200 ((IEC104) SC2-04IEC-07000100 and earlier), and Easergy T200 ((DNP3) SC2-04DNP-07000102 and earlier) that could cause unauthorized operation when authentication is bypassed.

Impact

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

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:schneider-electric:t200i_firmware:*:*:*:*:*:*:*:* sc2-04mod-07000100 (including)
cpe:2.3:h:schneider-electric:t200i:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:t200i_firmware:*:*:*:*:*:*:*:* sc2-04iec-07000100 (including)
cpe:2.3:h:schneider-electric:t200i:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:t200i_firmware:*:*:*:*:*:*:*:* sc2-04dnp-07000102 (including)
cpe:2.3:h:schneider-electric:t200i:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:t200e_firmware:*:*:*:*:*:*:*:* sc2-04mod-07000100 (including)
cpe:2.3:h:schneider-electric:t200e:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:t200e_firmware:*:*:*:*:*:*:*:* sc2-04iec-07000100 (including)
cpe:2.3:h:schneider-electric:t200e:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:t200e_firmware:*:*:*:*:*:*:*:* sc2-04dnp-07000102 (including)
cpe:2.3:h:schneider-electric:t200e:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:t200p_firmware:*:*:*:*:*:*:*:* sc2-04mod-07000100 (including)
cpe:2.3:h:schneider-electric:t200p:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:t200p_firmware:*:*:*:*:*:*:*:* sc2-04iec-07000100 (including)

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


References to Advisories, Solutions, and Tools