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

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CVE-2021-27424

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
23/03/2022
Last modified:
01/04/2022

Description

GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.

Impact

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

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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

Base Score 3.x
5.30
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

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

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
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:ge:multilin_b30_firmware:*:*:*:*:*:*:*:* 8.10 (excluding)
cpe:2.3:h:ge:multilin_b30:-:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_b90_firmware:*:*:*:*:*:*:*:* 8.10 (excluding)
cpe:2.3:h:ge:multilin_b90:-:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_c60_firmware:*:*:*:*:*:*:*:* 8.10 (excluding)
cpe:2.3:h:ge:multilin_c60:-:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_c70_firmware:*:*:*:*:*:*:*:* 8.10 (excluding)
cpe:2.3:h:ge:multilin_c70:-:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_c95_firmware:*:*:*:*:*:*:*:* 8.10 (excluding)
cpe:2.3:h:ge:multilin_c95:-:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_d30_firmware:*:*:*:*:*:*:*:* 8.10 (excluding)
cpe:2.3:h:ge:multilin_d30:-:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_d60_firmware:*:*:*:*:*:*:*:* 8.10 (excluding)
cpe:2.3:h:ge:multilin_d60:-:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_f35_firmware:*:*:*:*:*:*:*:* 8.10 (excluding)

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


References to Advisories, Solutions, and Tools