SB2021071415 - Multiple vulnerabilities in Schneider Electric SCADApack RTU, Modicon Controllers and Software

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Main Vulnerability Database SB2021071415

SB2021071415 - Multiple vulnerabilities in Schneider Electric SCADApack RTU, Modicon Controllers and Software

Published: July 14, 2021 Updated: June 2, 2022

Security Bulletin ID SB2021071415
Severity
High
Patch available
NO
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Authentication Bypass by Spoofing (CVE-ID: CVE-2021-22779)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the authentication bypass by spoofing issue. A remote attacker can gain unauthorized access in read and write mode to the controller.

2) Deserialization of Untrusted Data (CVE-ID: CVE-2020-12525)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A remote authenticated attacker can use a specially crafted project file and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

This vulnerability affects the following versions:

  • fdtCONTAINER component
    • Versions between 3.5.0 and 3.5.20304.x
    • Versions between 3.6.0 and 3.6.20304.x
    • Versions older than 3.5
  • fdtCONTAINER application
    • Versions between 4.5.0 and 4.5.20304.x
    • Versions between 4.6.0 and 4.6.20304.x
    • Versions older than 4.5
  • dtmINSPECTOR Version 3 (Based on FDT 1.2.x)

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References