GE Digital APM Classic

# ICS Advisory (ICSA-20-266-01) ## GE Digital APM Classic Original release date: September 22, 2020 [Print Document](javascript:window.print\(\);) [Tweet](https://twitter.com/share?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-20-266-01) [Like Me](https://www.facebook.com/sharer.php?u=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-20-266-01) [Share](http://www.addthis.com/bookmark.php?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-20-266-01) ### 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 7.5** * **ATTENTION:** Exploitable remotely/low skill level to exploit * **Vendor:** GE Digital * **Equipment:** APM Classic * **Vulnerabilities:** Authorization Bypass Through User-controlled Key, Use of a One-Way Hash Without a Salt ## 2\. RISK EVALUATION Successful exploitation of these vulnerabilities could allow access to sensitive information. ## 3\. TECHNICAL DETAILS ### 3.1 AFFECTED PRODUCTS The following versions of GE Digital APM Classic, a tool to analyze and process data, are affected: * APM Classic, Versions 4.4 and prior ### 3.2 VULNERABILITY OVERVIEW #### 3.2.1 [AUTHORIZATION BYPASS THROUGH USER-CONTROLLED KEY CWE-639](https://cwe.mitre.org/data/definitions/639.html) An insecure direct object reference (IDOR) vulnerability allows user account data to be downloaded in JavaScript object notation (JSON) format by users who should not have access to such functionality. An attacker can download sensitive data related to user accounts without having the proper privileges. [CVE-2020-16240](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-16240) has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is ([AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)). #### 3.2.2 [USE OF A ONE-WAY HASH WITHOUT A SALT CWE-759](https://cwe.mitre.org/data/definitions/759.html) Salt is not used for hash calculation of passwords, making it possible to decrypt passwords. This design flaw, along with the IDOR vulnerability, puts the entire platform at high risk because an authenticated user can retrieve all user account data and then retrieve the actual passwords. [CVE-2020-16244](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-16240) has been assigned to this vulnerability. A CVSS v3 base score of 7.2 has been calculated; the CVSS vector string is ([AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)). ### 3.3 BACKGROUND * **CRITICAL INFRASTRUCTURE SECTORS:** Chemical, Critical Manufacturing, Energy, Food and Agriculture, Water and Wastewater Systems * **COUNTRIES/AREAS DEPLOYED:** Worldwide * **COMPANY HEADQUARTERS LOCATION:** United States ### 3.4 RESEARCHER Guido Marilli of Accenture Security reported these vulnerabilities to GE Digital. ## 4\. MITIGATIONS GE Digital APM Classic 4.5 contains mitigations for these vulnerabilities. GE Digital recommends all users upgrade to GE Digital APM Classic 4.5 or newer. Other recommendations may mitigate issues, but only installing the most current version will fully address the issue. To obtain the latest version of this product, please contact a [GE Digital representative](https://digitalsupport.ge.com/communities/CC_Contact). The GE user advisory can be accessed on the [GE Digital Support Customer Center website](https://gcc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdigitalsupport.ge.com%2Fcommunities%2Fen_US%2FArticle%2FGE- Digital-Security-Advisory- GED-20-04&data=02%7C01%7Ckent.norris%40inl.gov%7C62b1454f1f0643abf8fb08d85e33a0fe%7C4cf464b7869a42368da2a98566485554%7C0%7C0%7C637362923129050441&sdata=Ls9sA%2F%2BY9wysaTIide8rz4KtQ2sWgxWtNoTKdShf0OI%3D&reserved=0) (login required). CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should: * Minimize network exposure for all control system devices and/or systems, and ensure that they are [not accessible from the Internet](https://www.us-cert.gov/ics/alerts/ICS-ALERT-10-301-01). * Locate control system networks and remote devices behind firewalls, and isolate them from the business network. * When remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing that VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize that VPN is only as secure as the connected devices. 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. No known public exploits specifically target these vulnerabilities.