icsa-21-257-08
Vulnerability from csaf_cisa
Published
2021-09-14 00:00
Modified
2021-09-14 00:00
Summary
Siemens Teamcenter
Notes
CISA Disclaimer
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
Legal Notice
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/.
Risk evaluation
Successful exploitation of these vulnerabilities could allow an attacker to view sensitive files, bypass authorization, or take over another account.
Critical infrastructure sectors
Multiple Sectors
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
Recommended Practices
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 on the ICS webpage onus-cert.cisa.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Recommended Practices
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.
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.
Recommended Practices
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Exploitability
No known public exploits specifically target this vulnerability.
{ "document": { "acknowledgments": [ { "names": [ "Nicolas Verdier" ], "organization": "TEHTRIS", "summary": "reporting these vulnerabilities to Siemens" } ], "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 these vulnerabilities could allow an attacker to view sensitive files, bypass authorization, or take over another account.", "title": "Risk evaluation" }, { "category": "other", "text": "Multiple Sectors", "title": "Critical infrastructure sectors" }, { "category": "other", "text": "Worldwide", "title": "Countries/areas deployed" }, { "category": "other", "text": "Germany", "title": "Company headquarters location" }, { "category": "general", "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. 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.cisa.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.cisa.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": "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": "Additional Resources" }, { "category": "other", "text": "No known public exploits specifically target this vulnerability.", "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": "external", "summary": "SSA-987403: Multiple Vulnerabilities in Teamcenter - CSAF Version", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-987403.json" }, { "category": "self", "summary": "ICS Advisory ICSA-21-257-08 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-257-08.json" }, { "category": "self", "summary": "ICS Advisory ICSA-21-257-08 Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-257-08" }, { "category": "external", "summary": "Recommended Practices", "url": "https://us-cert.cisa.gov/ncas/tips/ST04-014" }, { "category": "external", "summary": "Recommended Practices", "url": "https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf" }, { "category": "external", "summary": "Recommended Practices", "url": "https://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B" }, { "category": "external", "summary": "SSA-987403: Multiple Vulnerabilities in Teamcenter - PDF Version", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-987403.pdf" }, { "category": "external", "summary": "SSA-987403: Multiple Vulnerabilities in Teamcenter - TXT Version", "url": "https://cert-portal.siemens.com/productcert/txt/ssa-987403.txt" } ], "title": "Siemens Teamcenter", "tracking": { "current_release_date": "2021-09-14T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-21-257-08", "initial_release_date": "2021-09-14T00:00:00.000000Z", "revision_history": [ { "date": "2021-09-14T00:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "ICSA-21-257-08 Siemens Teamcenter" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "\u003c V12.4.0.8", "product": { "name": "Teamcenter V12.4", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "Teamcenter V12.4" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V13.0.0.7", "product": { "name": "Teamcenter V13.0", "product_id": "CSAFPID-0002" } } ], "category": "product_name", "name": "Teamcenter V13.0" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V13.1.0.5", "product": { "name": "Teamcenter V13.1", "product_id": "CSAFPID-0003" } } ], "category": "product_name", "name": "Teamcenter V13.1" }, { "branches": [ { "category": "product_version_range", "name": "\u003c 13.2.0.2", "product": { "name": "Teamcenter V13.2", "product_id": "CSAFPID-0004" } } ], "category": "product_name", "name": "Teamcenter V13.2" } ], "category": "vendor", "name": "Siemens" } ] }, "vulnerabilities": [ { "cve": "CVE-2021-40354", "cwe": { "id": "CWE-267", "name": "Privilege Defined With Unsafe Actions" }, "notes": [ { "category": "summary", "text": "The \"surrogate\" functionality on the user profile of the application does not perform sufficient access control that could lead to an account takeover. Any profile on the application can perform this attack and access any other user assigned tasks via the \"inbox/surrogate tasks\".", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] }, "references": [ { "summary": "CVE-2021-40354 Mitre 5.0 json", "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-40354.json" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-40354" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N" } ], "remediations": [ { "category": "vendor_fix", "details": "Update to V12.4.0.8 or later version", "product_ids": [ "CSAFPID-0001" ] }, { "category": "vendor_fix", "details": "Update to V13.0.0.7 or later version", "product_ids": [ "CSAFPID-0002" ] }, { "category": "vendor_fix", "details": "Update to V13.1.0.5 or later version", "product_ids": [ "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "Update to V13.2.0.2 or later version", "product_ids": [ "CSAFPID-0004" ] }, { "category": "mitigation", "details": "Avoid to open untrusted files in Teamcenter", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] }, { "category": "mitigation", "details": "Harden the application\u0027s host to prevent local access by untrusted personnel", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] }, { "category": "mitigation", "details": "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\u0027 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", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] } ], "scores": [ { "cvss_v3": { "baseScore": 7.1, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N/E:P/RL:O/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] } ], "title": "CVE-2021-40354" }, { "cve": "CVE-2021-40355", "cwe": { "id": "CWE-639", "name": "Authorization Bypass Through User-Controlled Key" }, "notes": [ { "category": "summary", "text": "The affected application contains Insecure Direct Object Reference (IDOR) vulnerability that allows an attacker to use user-supplied input to access objects directly.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] }, "references": [ { "summary": "CVE-2021-40355 Mitre 5.0 json", "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-40355.json" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-40355" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H" } ], "remediations": [ { "category": "vendor_fix", "details": "Update to V12.4.0.8 or later version", "product_ids": [ "CSAFPID-0001" ] }, { "category": "vendor_fix", "details": "Update to V13.0.0.7 or later version", "product_ids": [ "CSAFPID-0002" ] }, { "category": "vendor_fix", "details": "Update to V13.1.0.5 or later version", "product_ids": [ "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "Update to V13.2.0.2 or later version", "product_ids": [ "CSAFPID-0004" ] }, { "category": "mitigation", "details": "Avoid to open untrusted files in Teamcenter", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] }, { "category": "mitigation", "details": "Harden the application\u0027s host to prevent local access by untrusted personnel", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] }, { "category": "mitigation", "details": "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\u0027 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", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] } ], "scores": [ { "cvss_v3": { "baseScore": 7.2, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] } ], "title": "CVE-2021-40355" }, { "cve": "CVE-2021-40356", "cwe": { "id": "CWE-611", "name": "Improper Restriction of XML External Entity Reference" }, "notes": [ { "category": "summary", "text": "The application contains a XML External Entity Injection (XXE) vulnerability. This could allow an attacker to view files on the application server filesystem.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] }, "references": [ { "summary": "CVE-2021-40356 Mitre 5.0 json", "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-40356.json" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-40354" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N" } ], "remediations": [ { "category": "vendor_fix", "details": "Update to V12.4.0.8 or later version", "product_ids": [ "CSAFPID-0001" ] }, { "category": "vendor_fix", "details": "Update to V13.0.0.7 or later version", "product_ids": [ "CSAFPID-0002" ] }, { "category": "vendor_fix", "details": "Update to V13.1.0.5 or later version", "product_ids": [ "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "Update to V13.2.0.2 or later version", "product_ids": [ "CSAFPID-0004" ] }, { "category": "mitigation", "details": "Avoid to open untrusted files in Teamcenter", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] }, { "category": "mitigation", "details": "Harden the application\u0027s host to prevent local access by untrusted personnel", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] }, { "category": "mitigation", "details": "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\u0027 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", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] } ], "scores": [ { "cvss_v3": { "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004" ] } ], "title": "CVE-2021-40356" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.