{ "document": { "title": "SSA-875726: Privilege Escalation Vulnerability in Mendix", "category": "Siemens Security Advisory", "csaf_version": "2.0", "publisher": { "name": "Siemens ProductCERT", "contact_details": "productcert@siemens.com", "category": "vendor", "namespace": "https://www.siemens.com" }, "distribution": { "text": "Disclosure is not limited.", "tlp": { "label": "WHITE" } }, "tracking": { "id": "SSA-875726", "status": "final", "version": "1", "revision_history": [ { "number": "1", "legacy_version": "1.0", "date": "2021-04-14T00:00:00Z", "summary": "Publication Date" } ], "initial_release_date": "2021-04-14T00:00:00Z", "current_release_date": "2021-04-14T00:00:00Z", "generator": { "engine": { "name": "Siemens ProductCERT CSAF Generator", "version": "1" } } }, "notes": [ { "title": "Summary", "category": "summary", "text": "The latest updates for Mendix fix a vulnerability in Mendix Applications that could allow malicious authorized users to escalate their privileges.\n\nMendix has released an update for Mendix and recommends to update to the latest version." }, { "title": "General Recommendations", "category": "general", "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity" }, { "title": "Additional Resources", "category": "general", "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories" }, { "title": "Terms of Use", "category": "legal_disclaimer", "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter \"License Terms\"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use." } ], "references": [ { "category": "self", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-875726.pdf", "summary": "SSA-875726: Privilege Escalation Vulnerability in Mendix - PDF Version" }, { "category": "self", "url": "https://cert-portal.siemens.com/productcert/txt/ssa-875726.txt", "summary": "SSA-875726: Privilege Escalation Vulnerability in Mendix - TXT Version" }, { "category": "self", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-875726.json", "summary": "SSA-875726: Privilege Escalation Vulnerability in Mendix - CSAF Version" } ], "acknowledgments": [ { "organization": "FlowFabric BV", "summary": "coordinated disclosure" } ] }, "product_tree": { "branches": [ { "name": "Siemens", "category": "vendor", "branches": [ { "name": "Mendix Applications using Mendix 7", "category": "product_name", "branches": [ { "name": "< V7.23.19", "category": "product_version_range", "product": { "product_id": "1", "name": "Mendix Applications using Mendix 7" } } ] }, { "name": "Mendix Applications using Mendix 8", "category": "product_name", "branches": [ { "name": "< V8.17.0", "category": "product_version_range", "product": { "product_id": "2", "name": "Mendix Applications using Mendix 8" } } ] }, { "name": "Mendix Applications using Mendix 8 (V8.6)", "category": "product_name", "branches": [ { "name": "< V8.6.9", "category": "product_version_range", "product": { "product_id": "3", "name": "Mendix Applications using Mendix 8 (V8.6)" } } ] }, { "name": "Mendix Applications using Mendix 8 (V8.12)", "category": "product_name", "branches": [ { "name": "< V8.12.5", "category": "product_version_range", "product": { "product_id": "4", "name": "Mendix Applications using Mendix 8 (V8.12)" } } ] }, { "name": "Mendix Applications using Mendix 9", "category": "product_name", "branches": [ { "name": "< V9.0.5", "category": "product_version_range", "product": { "product_id": "5", "name": "Mendix Applications using Mendix 9" } } ] } ] } ] }, "vulnerabilities": [ { "title": "CVE-2021-27394", "notes": [ { "title": "Summary", "category": "summary", "text": "Authenticated, non-administrative users could modify their privileges by manipulating the user role under certain circumstances, allowing them to gain administrative privileges." } ], "cve": "CVE-2021-27394", "cwe": { "id": "CWE-269", "name": "Improper Privilege Management" }, "product_status": { "known_affected": [ "1", "2", "3", "4", "5" ] }, "scores": [ { "cvss_v3": { "version": "3.1", "baseScore": 8.1, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C" }, "products": [ "1", "2", "3", "4", "5" ] } ], "remediations": [ { "product_ids": [ "1" ], "category": "vendor_fix", "details": "Update your Mendix Project to V7.23.19 or later version and redeploy your application", "url": "https://docs.mendix.com/releasenotes/studio-pro/7.23" }, { "product_ids": [ "2" ], "category": "vendor_fix", "details": "Update your Mendix Project to V8.17.0 or later version and redeploy your application", "url": "https://docs.mendix.com/releasenotes/studio-pro/8.17" }, { "product_ids": [ "3" ], "category": "vendor_fix", "details": "Update your Mendix Project to V8.6.9 or later and preferably the latest V8.18 version and redeploy your application", "url": "https://docs.mendix.com/releasenotes/studio-pro/8.6" }, { "product_ids": [ "4" ], "category": "vendor_fix", "details": "Update your Mendix Project to V8.12.5 or later and preferably the latest V8.18 version and redeploy your application", "url": "https://docs.mendix.com/releasenotes/studio-pro/8.12" }, { "product_ids": [ "5" ], "category": "vendor_fix", "details": "Update your Mendix Project to V9.0.5 or later version and redeploy your application", "url": "https://docs.mendix.com/releasenotes/studio-pro/9.0" }, { "product_ids": [ "1", "2", "3", "4", "5" ], "category": "mitigation", "details": "Remove the privilege to manage user roles for non-administrative roles to mitigate this vulnerability for non-administrative users" } ], "references": [ { "url": "https://docs.mendix.com/releasenotes/studio-pro/7.23", "summary": "CVE-2021-27394 - Mendix Applications using Mendix 7" }, { "url": "https://docs.mendix.com/releasenotes/studio-pro/8.17", "summary": "CVE-2021-27394 - Mendix Applications using Mendix 8" }, { "url": "https://docs.mendix.com/releasenotes/studio-pro/8.6", "summary": "CVE-2021-27394 - Mendix Applications using Mendix 8 (V8.6)" }, { "url": "https://docs.mendix.com/releasenotes/studio-pro/8.12", "summary": "CVE-2021-27394 - Mendix Applications using Mendix 8 (V8.12)" }, { "url": "https://docs.mendix.com/releasenotes/studio-pro/9.0", "summary": "CVE-2021-27394 - Mendix Applications using Mendix 9" }, { "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27394.json", "summary": "CVE-2021-27394 Mitre 5.0 json" } ] } ] }