{ "document": { "acknowledgments": [ { "names": [ "Roman Lozko" ], "organization": "Kaspersky", "summary": "reporting this vulnerability to Emerson" } ], "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Disclosure is not limited", "tlp": { "label": "WHITE", "url": "https://us-cert.cisa.gov/tlp/" } }, "lang": "en-US", "notes": [ { "category": "general", "text": "This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov", "title": "CISA Disclaimer" }, { "category": "legal_disclaimer", "text": "All information products included in https://us-cert.cisa.gov/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://us-cert.cisa.gov/tlp/.", "title": "Legal Notice" }, { "category": "summary", "text": "Successful exploitation of this vulnerability could allow an attacker access to credentials held by OpenEnterprise used for accessing field devices and external systems.", "title": "Risk evaluation" }, { "category": "other", "text": "Chemical, Energy, Healthcare and Public Health, Water and Wastewater Systems", "title": "Critical infrastructure sectors" }, { "category": "other", "text": "Worldwide", "title": "Countries/areas deployed" }, { "category": "other", "text": "United States", "title": "Company headquarters location" }, { "category": "general", "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:", "title": "Recommended Practices" }, { "category": "general", "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.\nCISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.", "title": "Recommended Practices" }, { "category": "general", "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.\nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.", "title": "Recommended Practices" }, { "category": "general", "text": "CISA also recommends users take the following measures to protect themselves from social engineering attacks:", "title": "Recommended Practices" }, { "category": "other", "text": "No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.", "title": "Exploitability" } ], "publisher": { "category": "coordinator", "contact_details": "Email: CISAservicedesk@cisa.dhs.gov;\n Toll Free: 1-888-282-0870", "name": "CISA", "namespace": "https://www.cisa.gov/" }, "references": [ { "category": "self", "summary": "ICS Advisory ICSA-20-238-02 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2020/icsa-20-238-02.json" }, { "category": "self", "summary": "ICS Advisory ICSA-20-238-02 Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-20-238-02" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.us-cert.gov/ncas/tips/ST04-014" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.us-cert.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.us-cert.gov/ics/tips/ICS-TIP-12-146-01B" } ], "title": "Emerson OpenEnterprise", "tracking": { "current_release_date": "2020-08-25T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-20-238-02", "initial_release_date": "2020-08-25T00:00:00.000000Z", "revision_history": [ { "date": "2020-08-25T00:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "ICSA-20-238-02 Emerson OpenEnterprise" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "<= 3.3.5", "product": { "name": "OpenEnterprise: All versions through 3.3.5", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "OpenEnterprise" } ], "category": "vendor", "name": "Emerson" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-16235", "cwe": { "id": "CWE-326", "name": "Inadequate Encryption Strength" }, "notes": [ { "category": "summary", "text": "Inadequate encryption may allow the credentials used by OpenEnterprise to access field devices and external systems to be obtained.CVE-2020-16235 has been assigned to this vulnerability. A CVSS v3 base score of 3.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N).", "title": "Vulnerability Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001" ] }, "references": [ { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-16235" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N" } ], "remediations": [ { "category": "vendor_fix", "details": "Emerson recommends all users upgrade to OpenEnterprise 3.3, Service Pack 6 (3.3.6), to resolve this issue. OpenEnterprise Service Packs are available to users with access to the Emerson SupportNet system (login required). Details will be found in the downloads area.", "product_ids": [ "CSAFPID-0001" ], "url": "https://www3.emersonprocess.com/remote/support/v3/main.html" }, { "category": "mitigation", "details": "Please send any questions via a SupportNet ticket or by contacting Emerson at US 800-537-9313. For users outside of the United States, please use international toll-free numbers.", "product_ids": [ "CSAFPID-0001" ], "url": "https://www3.emersonprocess.com/remote/support/v3/techsupportnumbers.html" } ], "scores": [ { "cvss_v3": { "baseScore": 3.8, "baseSeverity": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.0" }, "products": [ "CSAFPID-0001" ] } ] } ] }