Honeywell INNCOM INNControl 3

# ICS Advisory (ICSA-20-049-01) ## Honeywell INNCOM INNControl 3 Original release date: February 18, 2020 | Last revised: February 19, 2020 [Print Document](javascript:window.print\(\);) [Tweet](https://twitter.com/share?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-20-049-01) [Like Me](https://www.facebook.com/sharer.php?u=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-20-049-01) [Share](http://www.addthis.com/bookmark.php?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-20-049-01) ### 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 6.6** * **ATTENTION:** Low skill level to exploit * **Vendor:** Honeywell * **Equipment:** INNCOM INNControl 3 * **Vulnerability:** Improper Privilege Management ## 2\. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to escalate user privileges within the INNControl application. ## 3\. TECHNICAL DETAILS ### 3.1 AFFECTED PRODUCTS The following versions of INNCOM INNControl 3, an energy management platform, are affected: * INNControl 3, Versions 3.21 and prior ### 3.2 VULNERABILITY OVERVIEW #### 3.2.1 [IMPROPER PRIVILEGE MANAGEMENT CWE-269](https://cwe.mitre.org/data/definitions/269.html) The affected product allows workstation users to escalate application user privileges through the modification of local configuration files. [CVE-2020-6968](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-6968) has been assigned to this vulnerability. A CVSS v3 base score of 6.6 has been calculated; the CVSS vector string is ([AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L)). ### 3.3 BACKGROUND * **CRITICAL INFRASTRUCTURE SECTORS:** Commercial Facilities, Critical Manufacturing, Energy, Healthcare and Public Health * **COUNTRIES/AREAS DEPLOYED:** Worldwide * **COMPANY HEADQUARTERS LOCATION:** United States ### 3.4 RESEARCHER Honeywell reported this vulnerability to CISA. ## 4\. MITIGATIONS Honeywell encourages users to contact an INNCOM sales representative or authorized systems integrator to obtain information on upgrading their system(s) to the latest version. Honeywell also offers online [INNCOM support](https://www.inncom.com/services/support). Additional information about the vulnerability can be found in the [Honeywell Security Notification](https://www.inncom.com/resources/cve). Honeywell recommends that, subject to each user's individual assessment of the potential impact(s) of the vulnerabilities and/or recommendations on their specific operational building control network environment(s), users with potentially affected products are recommended to take the following steps to mitigate the effects of potential vulnerabilities: * Update the software of potentially impacted systems as per the Security Notification. * Disable unnecessary accounts and services. * Restrict system access to authorized personnel only and follow a least privilege approach. * Apply defense-in-depth strategies. 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 this vulnerability. This vulnerability is not exploitable remotely.