Honeywell IP-AK2

# ICS Advisory (ICSA-19-297-02) ## Honeywell IP-AK2 Original release date: October 24, 2019 [Print Document](javascript:window.print\(\);) [Tweet](https://twitter.com/share?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-19-297-02) [Like Me](https://www.facebook.com/sharer.php?u=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-19-297-02) [Share](http://www.addthis.com/bookmark.php?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-19-297-02) ### 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 5.3** * **ATTENTION:** Exploitable remotely/low skill level to exploit * **Vendor:** Honeywell * **Equipment:** IP-AK2 * **Vulnerability:** Missing Authentication for Critical Function ## 2\. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to download configuration files directly through a URL without authentication, exposing configuration and authorized visitor information. ## 3\. TECHNICAL DETAILS ### 3.1 AFFECTED PRODUCTS The following versions of IP-AK2, Access Control Panel, are affected: * IP-AK2 Access Control Panel Version 1.04.07 and prior ### 3.2 VULNERABILITY OVERVIEW #### 3.2.1 [MISSING AUTHENTICATION FOR CRITICAL FUNCTION CWE-306](https://cwe.mitre.org/data/definitions/306.html) The integrated web server of the affected devices could allow remote attackers to obtain web configuration data, which can be accessed without authentication over the network. [CVE-2019-13525](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-13525) has been assigned to this vulnerability. A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is ([AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:L/I:N/A:N)). ### 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 Maxim Rupp reported this vulnerability to Honeywell. ## 4\. MITIGATIONS Honeywell released new firmware Version 1.04.15 and recommends affected users [contact Honeywell customer support](https://www.honeywell.com/en-us/contact) to resolve the issue. Honeywell recommends users take the following defensive measures: * Upgrade firmware of vulnerable instruments with help from Honeywell after sales support. * Allow only trusted persons to physically access the target system, including devices that have connection to the system through the Ethernet port. * If possible, isolate target system from the Internet or create additional layers of defense to target system from the Internet by placing the affected hardware behind a firewall or into a DMZ. * If remote connections to the network are required, consider using a VPN or other means to ensure secure remote connections into the network where the device is located. For additional information refer to the [Honeywell Product Security Bulletin 2018-HBT](https://buildings.honeywell.com.cn/-/media/hbtcn/products- technologies/4security-access-control-system/2win-pak-access-control- solutions/pro3000/sb2018ipak2-eng-pdf.pdf). 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.