Schneider Electric EcoStruxure Operator Terminal Expert

# ICS Advisory (ICSA-20-142-02) ## Schneider Electric EcoStruxure Operator Terminal Expert Original release date: May 21, 2020 [Print Document](javascript:window.print\(\);) [Tweet](https://twitter.com/share?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-20-142-02) [Like Me](https://www.facebook.com/sharer.php?u=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-20-142-02) [Share](http://www.addthis.com/bookmark.php?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-20-142-02) ### Legal Notice All information products included in [https://us-cert.gov/ics](/ics) are provided "as is" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see [https://www.us- cert.gov/tlp/](/tlp/). * * * ## 1\. EXECUTIVE SUMMARY * **CVSS v3 8.6** * **ATTENTION:** Low skill level to exploit/public exploits are available * **Vendor:** Schneider Electric * **Equipment:** EcoStruxure Operator Terminal Expert * **Vulnerabilities:** SQL Injection, Path Traversal, Argument Injection ## 2\. RISK EVALUATION Successful exploitation of these vulnerabilities could allow unauthorized write access or remote code execution. ## 3\. TECHNICAL DETAILS ### 3.1 AFFECTED PRODUCTS Schneider Electric reports these vulnerabilities affect the following EcoStruxure products: * EcoStruxure Operator Terminal Expert 3.1 Service Pack 1 and prior (formerly known as Vijeo XD) ### 3.2 VULNERABILITY OVERVIEW #### 3.2.1 [SQL INJECTION CWE-89](https://cwe.mitre.org/data/definitions/89.html) An attacker could exploit an SQL injection vulnerability by enticing a user to open a maliciously crafted project file. [CVE-2020-7493](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-7493) has been assigned to this vulnerability. A CVSS v3 base score of 8.6 has been calculated; the CVSS vector string is ([AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)). #### 3.2.2 [PATH TRAVERSAL CWE-22](https://cwe.mitre.org/data/definitions/22.html) An attacker could exploit this path traversal vulnerability by getting a user to visit a malicious page or open a malicious file. [CVE-2020-7494](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-7494) has been assigned to this vulnerability. A CVSS v3 base score of 7.7 has been calculated; the CVSS vector string is ([AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)). #### 3.2.3 [PATH TRAVERSAL CWE-22](https://cwe.mitre.org/data/definitions/22.html) An attacker could exploit this path traversal vulnerability by getting a user to visit a malicious page or open a malicious file. [CVE-2020-7495](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-7495) has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is ([AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)). #### 3.2.4 [ARGUMENT INJECTION CWE-88](https://cwe.mitre.org/data/definitions/88.html) A remote attacker can trick a victim to open a specially crafted project file and gain unauthorized write access to the target system. [CVE-2020-7496](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-7496) has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is ([AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)). #### 3.2.5 [PATH TRAVERSAL CWE-22](https://cwe.mitre.org/data/definitions/22.html) A vulnerability exists that could cause arbitrary application execution when the computer starts. [CVE-2020-7497](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-7497) has been assigned to this vulnerability. A CVSS v3 base score of 6.3 has been calculated; the CVSS vector string is ([AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H)). ### 3.3 BACKGROUND * **CRITICAL INFRASTRUCTURE SECTORS:** Commercial Facilities, Critical Manufacturing, Energy * **COUNTRIES/AREAS DEPLOYED:** Worldwide * **COMPANY HEADQUARTERS LOCATION:** France ### 3.4 RESEARCHER The following researchers reported these vulnerabilities to Schneider Electric: * Sharon Brizinov and Amir Preminger of Claroty Research working with Trend Micro's Zero Day Initiative. * Steven Seeley and Chris Anastasio of Incite Team working with Trend Micro's Zero Day Initiative * Fredrik Østrem (Cognite), Emil Sandstø (Cognite), and Cim Stordal (Cognite) ## 4\. MITIGATIONS Schneider Electric recommends users update to [EcoStruxure Operator Terminal Expert Version 3.1 Service Pack 1A](https://www.se.com/ww/en/product-range- download/62621-ecostruxure%E2%84%A2-operator-terminal-expert/#/software- firmware-tab). Schneider Electric offers two methods to get the update: In addition to the update, Schneider Electric also recommends the following workarounds and mitigations to reduce the risk: * Use EcoStruxure Operator Terminal Expert software only on a trusted workstation. * Do not execute EcoStruxure Operator Terminal Expert software with Windows administrator privileges. * Harden workstation following the best cybersecurity practices (antivirus, updated operating systems, strong password policies, application whitelisting software, etc.) and secure network using [Schneider Electric's Cybersecurity Best Practices](https://www.se.com/us/en/download/document/CS-Best-Practices-2019-340/). * Manage your project file securely to avoid information disclosure or unexpected modifications of data. * Only accept project files from trusted users. * Use project password when saving the project file. * User's password in the application should be configured as a strong password according with the "use complex password" function described in the section titled "Security / Settings / use complex password." For more information on these vulnerabilities and updates, please see [SEVD-2020-133-04](https://www.se.com/ww/en/download/document/SEVD-2020-133-04/) CISA recommends users take the following measures to protect themselves from social engineering attacks: * Do not click web links or open unsolicited attachments in email messages. * Refer to [Recognizing and Avoiding Email Scams](https://www.us-cert.gov/sites/default/files/publications/emailscams_0905.pdf) for more information on avoiding email scams. * Refer to [Avoiding Social Engineering and Phishing Attacks](https://www.us-cert.gov/ncas/tips/ST04-014) for more information on social engineering attacks. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for [control systems security recommended practices](https://www.us-cert.gov/ics/recommended-practices) on the ICS webpage on [us-cert.gov](https://www.us-cert.gov/ics). Several recommended practices are available for reading and download, including [Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies](https://www.us- cert.gov/sites/default/files/recommended_practices/NCCIC_ICS- CERT_Defense_in_Depth_2016_S508C.pdf). Additional mitigation guidance and recommended practices are publicly available on the [ICS webpage on us-cert.gov](https://www.us-cert.gov/ics) in the Technical Information Paper, [ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies](https://www.us-cert.gov/ics/tips/ICS- TIP-12-146-01B). Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents. These vulnerabilities are not exploitable remotely.