SB2024112909 - Multiple vulnerabilities in Schneider Electric EcoStruxure Control Expert, EcoStruxure Process Expert and Modicon M340, M580 and M580 Safety PLCs

Description

This security bulletin contains information about 3 vulnerabilities.

1) Improper Enforcement of Message Integrity During Transmission in a Communication Channel (CVE-ID: CVE-2023-6408)

CWE-ID: CWE-924 - Improper Enforcement of Message Integrity During Transmission in a Communication Channel

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

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

The vulnerability exists due to improper enforcement of message integrity during transmission in a communication channel. A remote attacker can perform a man-in-the-middle (MitM) attack and execute arbitrary code on the system.

2) Use of hard-coded credentials (CVE-ID: CVE-2023-6409)

CWE-ID: CWE-798 - Use of Hard-coded Credentials

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber

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

The vulnerability exists due to presence of hard-coded credentials in application code. A remote attacker can gain access to a project file protected with application password.

3) Insufficiently protected credentials (CVE-ID: CVE-2023-27975)

CWE-ID: CWE-522 - Insufficiently Protected Credentials

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to insufficiently protected credentials. A local user can gain access to the project file.

Remediation

Install update from vendor's website.

References

• https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2024-044-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2024-044-01.pdf
• https://www.cisa.gov/news-events/ics-advisories/icsa-24-331-03