{ "document": { "title": "SSA-853866: User Credentials Disclosure Vulnerability in Siveillance Video Open Network Bridge (ONVIF)", "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-853866", "status": "final", "version": "1", "revision_history": [ { "number": "1", "legacy_version": "1.0", "date": "2021-04-13T00:00:00Z", "summary": "Publication Date" } ], "initial_release_date": "2021-04-13T00:00:00Z", "current_release_date": "2021-04-13T00:00:00Z", "generator": { "engine": { "name": "Siemens ProductCERT CSAF Generator", "version": "1" } } }, "notes": [ { "title": "Summary", "category": "summary", "text": "Siemens has released hotfixes for Siveillance Video Open Network Bridge (ONVIF) which fix a security vulnerability related to unsecure storage of ONVIF user credentials. The vulnerability could allow an authenticated remote attacker to retrieve and decrypt all user credentials stored on the ONVIF server.\n\nSiemens recommends to apply the hotfixes at the earliest opportunity. See also the chapter Additional Information, how to apply the hotfix." }, { "title": "General Recommendations", "category": "general", "text": "As a general security measure Siemens strongly recommends to protect network access to affected products with appropriate mechanisms. It is advised to follow recommended security practices in order to run the devices in a protected IT environment." }, { "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-853866.pdf", "summary": "SSA-853866: User Credentials Disclosure Vulnerability in Siveillance Video Open Network Bridge (ONVIF) - PDF Version" }, { "category": "self", "url": "https://cert-portal.siemens.com/productcert/txt/ssa-853866.txt", "summary": "SSA-853866: User Credentials Disclosure Vulnerability in Siveillance Video Open Network Bridge (ONVIF) - TXT Version" }, { "category": "self", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-853866.json", "summary": "SSA-853866: User Credentials Disclosure Vulnerability in Siveillance Video Open Network Bridge (ONVIF) - CSAF Version" } ], "acknowledgments": [ { "organization": "Milestone PSIRT", "summary": "reporting and coordinated disclosure" } ] }, "product_tree": { "branches": [ { "name": "Siemens", "category": "vendor", "branches": [ { "name": "Siveillance Video Open Network Bridge", "category": "product_name", "branches": [ { "name": "2020 R3", "category": "product_version_range", "product": { "product_id": "1", "name": "Siveillance Video Open Network Bridge" } } ] }, { "name": "Siveillance Video Open Network Bridge", "category": "product_name", "branches": [ { "name": "2020 R2", "category": "product_version_range", "product": { "product_id": "2", "name": "Siveillance Video Open Network Bridge" } } ] }, { "name": "Siveillance Video Open Network Bridge", "category": "product_name", "branches": [ { "name": "2020 R1", "category": "product_version_range", "product": { "product_id": "3", "name": "Siveillance Video Open Network Bridge" } } ] }, { "name": "Siveillance Video Open Network Bridge", "category": "product_name", "branches": [ { "name": "2019 R3", "category": "product_version_range", "product": { "product_id": "4", "name": "Siveillance Video Open Network Bridge" } } ] }, { "name": "Siveillance Video Open Network Bridge", "category": "product_name", "branches": [ { "name": "2019 R2", "category": "product_version_range", "product": { "product_id": "5", "name": "Siveillance Video Open Network Bridge" } } ] }, { "name": "Siveillance Video Open Network Bridge", "category": "product_name", "branches": [ { "name": "2019 R1", "category": "product_version_range", "product": { "product_id": "6", "name": "Siveillance Video Open Network Bridge" } } ] }, { "name": "Siveillance Video Open Network Bridge", "category": "product_name", "branches": [ { "name": "2018 R3", "category": "product_version_range", "product": { "product_id": "7", "name": "Siveillance Video Open Network Bridge" } } ] }, { "name": "Siveillance Video Open Network Bridge", "category": "product_name", "branches": [ { "name": "2018 R2", "category": "product_version_range", "product": { "product_id": "8", "name": "Siveillance Video Open Network Bridge" } } ] } ] } ] }, "vulnerabilities": [ { "title": "CVE-2021-27392", "notes": [ { "title": "Summary", "category": "summary", "text": "Affected Open Network Bridges store user credentials for the authentication between ONVIF clients and ONVIF server using a hard-coded key. The encrypted credentials can be retrieved via the MIP SDK.\n\nThis could allow an authenticated remote attacker to retrieve and decrypt all credentials stored on the ONVIF server." } ], "cve": "CVE-2021-27392", "cwe": { "id": "CWE-321", "name": "Insufficiently Protected Credentials" }, "product_status": { "known_affected": [ "1", "2", "3", "4", "5", "6", "7", "8" ] }, "scores": [ { "cvss_v3": { "version": "3.1", "baseScore": 9.9, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C" }, "products": [ "1", "2", "3", "4", "5", "6", "7", "8" ] } ], "remediations": [ { "product_ids": [ "1" ], "category": "vendor_fix", "details": "Apply the hotfix using the latest available installer for Open Network Bridge", "url": "https://support.industry.siemens.com/cs/ww/en/view/109791980/" }, { "product_ids": [ "2" ], "category": "vendor_fix", "details": "Apply the hotfix using the latest available installer for ONVIF Bridge", "url": "https://support.industry.siemens.com/cs/ww/en/view/109781128/" }, { "product_ids": [ "3" ], "category": "vendor_fix", "details": "Apply the hotfix using the latest available installer for ONVIF Bridge", "url": "https://support.industry.siemens.com/cs/ww/en/view/109779088/" }, { "product_ids": [ "4" ], "category": "vendor_fix", "details": "Apply the hotfix using the latest available installer for ONVIF Bridge", "url": "https://support.industry.siemens.com/cs/ww/en/view/109773456/" }, { "product_ids": [ "5" ], "category": "vendor_fix", "details": "Apply the hotfix using the latest available installer for ONVIF Bridge", "url": "https://support.industry.siemens.com/cs/ww/en/view/109769052/" }, { "product_ids": [ "6" ], "category": "vendor_fix", "details": "Apply the hotfix using the latest available installer for ONVIF Bridge", "url": "https://support.industry.siemens.com/cs/ww/en/view/109766085/" }, { "product_ids": [ "7" ], "category": "vendor_fix", "details": "Apply the hotfix using the latest available installer for ONVIF Bridge", "url": "https://support.industry.siemens.com/cs/ww/en/view/109762643/" }, { "product_ids": [ "8" ], "category": "vendor_fix", "details": "Apply the hotfix using the latest available installer for ONVIF Bridge", "url": "https://support.industry.siemens.com/cs/ww/en/view/109762751/" }, { "product_ids": [ "1", "2", "3", "4", "5", "6", "7", "8" ], "category": "mitigation", "details": "Disable the Open Network Bridge (ONVIF), if not in use. Note: By default the Open Network Bridge is disabled." } ], "references": [ { "url": "https://support.industry.siemens.com/cs/ww/en/view/109791980/", "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge" }, { "url": "https://support.industry.siemens.com/cs/ww/en/view/109781128/", "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge" }, { "url": "https://support.industry.siemens.com/cs/ww/en/view/109779088/", "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge" }, { "url": "https://support.industry.siemens.com/cs/ww/en/view/109773456/", "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge" }, { "url": "https://support.industry.siemens.com/cs/ww/en/view/109769052/", "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge" }, { "url": "https://support.industry.siemens.com/cs/ww/en/view/109766085/", "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge" }, { "url": "https://support.industry.siemens.com/cs/ww/en/view/109762643/", "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge" }, { "url": "https://support.industry.siemens.com/cs/ww/en/view/109762751/", "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge" }, { "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27392.json", "summary": "CVE-2021-27392 Mitre 5.0 json" } ] } ] }