CVE-2021-20826

Published: Dic 24, 2021 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2021-8238 Aliases: GSD-2021-20826
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,6
Source: [email protected]
Attack Vector: adjacent_network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: low
Availability: low
LOW 3,3
Source: [email protected]
Access Vector: adjacent_network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: none
Availability: none

Description

AI Translation Available

Unprotected transport of credentials vulnerability in IDEC PLCs (FC6A Series MICROSmart All-in-One CPU module v2.32 and earlier, FC6A Series MICROSmart Plus CPU module v1.91 and earlier, WindLDR v8.19.1 and earlier, WindEDIT Lite v1.3.1 and earlier, and Data File Manager v2.12.1 and earlier) allows an attacker to obtain the PLC Web server user credentials from the communication between the PLC and the software. As a result, the complete access privileges to the PLC Web server may be obtained, and manipulation of the PLC output and/or suspension of the PLC may be conducted.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0009
Percentile
0,3th
Updated

EPSS Score Trend (Last 91 Days)

522

Insufficiently Protected Credentials

Incomplete
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Gain Privileges Or Assume Identity
Applicable Platforms
Technologies: ICS/OT, Not Technology-Specific, Web Based
View CWE Details
Operating System

Microsmart Plus Fc6A Firmware by Idec

Product Information
Vendor Idec
Product Microsmart Plus Fc6A Firmware
Version Range Affected
To 1.91 (inclusive)
cpe:2.3:o:idec:microsmart_plus_fc6a_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Microsmart Fc6A Firmware by Idec

Product Information
Vendor Idec
Product Microsmart Fc6A Firmware
Version Range Affected
To 2.32 (inclusive)
cpe:2.3:o:idec:microsmart_fc6a_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Data File Manager by Idec

Product Information
Vendor Idec
Product Data File Manager
Version Range Affected
To 2.12.1 (inclusive)
cpe:2.3:a:idec:data_file_manager:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Windldr by Idec

Product Information
Vendor Idec
Product Windldr
Version Range Affected
To 8.19.1 (inclusive)
cpe:2.3:a:idec:windldr:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Windedit by Idec

Product Information
Vendor Idec
Product Windedit
Version Range Affected
To 1.3.1 (inclusive)
cpe:2.3:a:idec:windedit:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://jvn.jp/en/vu/JVNVU92279973/index.html
Third Party Advisory
https://jvn.jp/en/vu/JVNVU92279973/index.html
https://www.idec.com/home/lp/pdf/2021-12-24-PLC.pdf
Vendor Advisory
https://www.idec.com/home/lp/pdf/2021-12-24-PLC.pdf
https://jvn.jp/en/vu/JVNVU92279973/index.html
Third Party Advisory
https://jvn.jp/en/vu/JVNVU92279973/index.html
https://www.idec.com/home/lp/pdf/2021-12-24-PLC.pdf
Vendor Advisory
https://www.idec.com/home/lp/pdf/2021-12-24-PLC.pdf