Rewterz Threat Advisory – ICS: Schneider Electric Vulnerabilities

Severity

High

Analysis Summary

CVE-2022-22807 

Schneider Electric EcoStruxure EV Charging Expert could allow a remote attacker to bypass security restrictions, caused by improper restriction of rendered UI layers or frames. By deceiving a victim using the web interface rendered within iframes, an attacker could exploit this vulnerability to cause modifications of the product settings.

CVE-2021-22817 

Schneider Electric Harmony/Magelis iPC Series HMI, Vijeo Designer and Vijeo Designer Basic could allow a local attacker to gain elevated privileges on the system, caused by an incorrect default permissions flaw. By sending a specially-crafted request, an attacker could exploit this vulnerability to gain unauthorized access to the base installation directory to gain elevated privileges.

CVE-2022-22808 

Schneider Electric EcoStruxure EV Charging Expert could allow a remote attacker to gain unauthorized access to the system, caused by a permissive cross-domain policy with untrusted domains. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to gain unauthorized access to restricted resources.

CVE-2022-22809 

Schneider Electric spaceLYnk, Wiser for KNX, fellerLYnk could allow a remote attacker to bypass security restrictions, caused by missing authentication for a critical function. By sending a specially-crafted request, an attacker could exploit this vulnerability to modify the touch configurations.

CVE-2022-22810 

Schneider Electric spaceLYnk, Wiser for KNX, fellerLYnk is vulnerable to a brute force attack, caused by improper restriction of excessive authentication attempts by the login service. By using brute force techniques, a remote attacker could exploit this vulnerability to takeover the account of the administrator.

CVE-2022-22811 

Schneider Electric spaceLYnk, Wiser for KNX, fellerLYnk is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated user to visit a malicious Web site, a remote attacker could send a malformed HTTP request to change system’s configuration. An attacker could exploit this vulnerability to perform cross-site scripting attacks, Web cache poisoning, and other malicious activities.

CVE-2022-22812 

Schneider Electric spaceLYnk, Wiser for KNX, and fellerLYnk are vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote authenticated attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

CVE-2022-22813 

Easergy P40 contains a default hardcoded TLS cryptographic key. A remote attacker could exploit this vulnerability to take active control of the Courier tunneling communication network, allowing the attacker to observe and manipulate traffic associated with product configuration.

CVE-2022-24318 

Schneider EcoStruxure Geo SCADA Expert could allow a remote attacker to bypass security restrictions, caused by inadequate encryption strength vulnerability. By sending a specially crafted request, an attacker could exploit this vulnerability to bypass access restrictions to cause non-encrypted communication with the server.

CVE-2022-24319 

Schneider EcoStruxure Geo SCADA Expert is vulnerable to a man-in-the-middle attack, caused by improper certificate validation vulnerability. An attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to obtain sensitive information.

CVE-2022-24320 

Schneider EcoStruxure Geo SCADA Expert is vulnerable to a man-in-the-middle attack, caused by improper certificate validation vulnerability. An attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to obtain sensitive information.

Impact

• Security Bypass
• Privilege Escalation
• Unauthorized Access
• Information disclosure

Indicators of Compromise

CVEs

• CVE-2022-22807
• CVE-2021-22817
• CVE-2022-22808
• CVE-2022-22809
• CVE-2022-22810
• CVE-2022-22811
• CVE-2022-22812
• CVE-2022-22813
• CVE-2022-24318
• CVE-2022-24319
• CVE-2022-24320

Affected Vendors

Schneider Electric

Affected Products

• Schneider Electric EcoStruxure EV Charging Expert HMIBSCEA53D1EDB
• Schneider Electric EcoStruxure EV Charging Expert HMIBSCEA53D1EDS
• Schneider Electric EcoStruxure EV Charging Expert HMIBSCEA53D1EDM
• Schneider Electric EcoStruxure EV Charging Expert HMIBSCEA53D1EDL
• Schneider Electric Harmony/Magelis iPC Series
• Schneider Electric Vijeo Designer 6.2 SP11
• Schneider Electric Vijeo Designer Basic 1.2.1
• Schneider Electric spaceLYnk 2.6.2
• Schneider Electric Wiser for KNX 2.6.2 Schneider Electric fellerLYnk 2.6.2
• Schneider Electric Easergy P40 PX4X
• Schneider Electric EcoStruxure Geo SCADA Expert 2019
• Schneider Electric EcoStruxure Geo SCADA Expert 2020
• Schneider Electric ClearSCADA

Remediation

Refer to Schneider Electric for patch, upgrade or suggested workaround information.

CVE-2022-22807
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-02
CVE-2021-22817
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-02
CVE-2022-22808
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-02
CVE-2022-22809
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-02
CVE-2022-22810
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-02
CVE-2022-22811
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-04
CVE-2022-22812
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-04
CVE-2022-22813
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-04
CVE-2022-24318
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-05
CVE-2022-24319
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-05
CVE-2022-24320