icsa-19-134-04
Vulnerability from csaf_cisa
Published
2019-05-14 00:00
Modified
2020-12-08 00:00
Summary
Siemens LOGO! 8 BM (Update A)
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 device reconfiguration, access to project files, decryption of files, and access to passwords.
Critical infrastructure sectors
Commercial Facilities, Transportation Systems
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. 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.
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and
solutions, please contact the Siemens ProductCERT:
https://www.siemens.com/cert/advisories
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 these vulnerabilities.
{
"document": {
"acknowledgments": [
{
"names": [
"Manuel Stotz",
"Matthias Deeg"
],
"organization": "SySS GmbH",
"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 device reconfiguration, access to project files, decryption of files, and access to passwords.",
"title": "Risk evaluation"
},
{
"category": "other",
"text": "Commercial Facilities, Transportation Systems",
"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 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.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": "For further inquiries on security vulnerabilities in Siemens products and \nsolutions, please contact the Siemens ProductCERT:\n\nhttps://www.siemens.com/cert/advisories",
"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": "Additional Resources"
},
{
"category": "other",
"text": "No known public exploits specifically target these vulnerabilities.",
"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-19-134-04 JSON",
"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2019/icsa-19-134-04.json"
},
{
"category": "self",
"summary": "ICS Advisory ICSA-19-134-04 Web Version",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-19-134-04"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-10-301-01"
},
{
"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-496604: SSA-542701: Vulnerabilities in SIEMENS LOGO! - TXT Version",
"url": "https://cert-portal.siemens.com/productcert/txt/SSA-542701.txt"
}
],
"title": "Siemens LOGO! 8 BM (Update A)",
"tracking": {
"current_release_date": "2020-12-08T00:00:00.000000Z",
"generator": {
"engine": {
"name": "CISA CSAF Generator",
"version": "1.0.0"
}
},
"id": "ICSA-19-134-04",
"initial_release_date": "2019-05-14T00:00:00.000000Z",
"revision_history": [
{
"date": "2019-05-14T00:00:00.000000Z",
"legacy_version": "Initial",
"number": "1",
"summary": "ICSA-19-134-04 Siemens LOGO!8 BM"
},
{
"date": "2020-12-08T00:00:00.000000Z",
"legacy_version": "A",
"number": "2",
"summary": "ICSA-19-134-04 Siemens LOGO! 8 BM (Update A)"
}
],
"status": "final",
"version": "2"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "All versions \u003c V8.3",
"product": {
"name": "LOGO! 8 BM (incl.\u00a0SIPLUS variants): All versions \u003c V8.3",
"product_id": "CSAFPID-0001"
}
}
],
"category": "product_name",
"name": "LOGO! 8 BM (incl.\u00a0SIPLUS variants)"
}
],
"category": "vendor",
"name": "Siemens"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2019-10919",
"cwe": {
"id": "CWE-306",
"name": "Missing Authentication for Critical Function"
},
"notes": [
{
"category": "summary",
"text": "Attackers with access to port 10005/tcp could perform device reconfigurations and obtain project files from the devices. The system manual recommends to protect access to this port.",
"title": "Summary"
},
{
"category": "summary",
"text": "The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the device.",
"title": "Summary"
},
{
"category": "summary",
"text": "At the time of advisory publication no public exploitation of this security vulnerability was known.",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001"
]
},
"references": [
{
"category": "external",
"summary": "https://support.industry.siemens.com/cs/ww/en/view/109783346/",
"url": "https://support.industry.siemens.com/cs/ww/en/view/109783346/"
},
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-10919"
},
{
"category": "external",
"summary": "www.first.org",
"url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "Apply Defense-in-Depth concept, including protection concept outlined in\nthe system manual.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "vendor_fix",
"details": "Update to V8.3. Notice that in order to update, a new hardware version is required. - Download: https://support.industry.siemens.com/cs/ww/en/view/109783346/ ",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109783346/"
},
{
"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. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
"product_ids": [
"CSAFPID-0001"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 9.4,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:F/RL:O/RC:C",
"version": "3.1"
},
"products": [
"CSAFPID-0001"
]
}
]
},
{
"cve": "CVE-2019-10920",
"cwe": {
"id": "CWE-321",
"name": "Use of Hard-coded Cryptographic Key"
},
"notes": [
{
"category": "summary",
"text": "Project data stored on the device, which is accessible via port 10005/tcp, can be decrypted due to a hardcoded encryption key.",
"title": "Summary"
},
{
"category": "summary",
"text": "The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality of the device.",
"title": "Summary"
},
{
"category": "summary",
"text": "At the time of advisory publication no public exploitation of this security vulnerability was known.",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001"
]
},
"references": [
{
"category": "external",
"summary": "https://support.industry.siemens.com/cs/ww/en/view/109783346/",
"url": "https://support.industry.siemens.com/cs/ww/en/view/109783346/"
},
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-10920"
},
{
"category": "external",
"summary": "www.first.org",
"url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "Apply Defense-in-Depth concept, including protection concept outlined in\nthe system manual.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "vendor_fix",
"details": "Update to V8.3. Notice that in order to update, a new hardware version is required. - Download: https://support.industry.siemens.com/cs/ww/en/view/109783346/ ",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109783346/"
},
{
"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. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
"product_ids": [
"CSAFPID-0001"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C",
"version": "3.1"
},
"products": [
"CSAFPID-0001"
]
}
]
},
{
"cve": "CVE-2019-10921",
"cwe": {
"id": "CWE-256",
"name": "Plaintext Storage of a Password"
},
"notes": [
{
"category": "summary",
"text": "Unencrypted storage of passwords in the project could allow an attacker with access to port 10005/tcp to obtain passwords of the device.",
"title": "Summary"
},
{
"category": "summary",
"text": "The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality of the device.",
"title": "Summary"
},
{
"category": "summary",
"text": "At the time of advisory publication no public exploitation of this security vulnerability was known",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001"
]
},
"references": [
{
"category": "external",
"summary": "https://support.industry.siemens.com/cs/ww/en/view/109783346/",
"url": "https://support.industry.siemens.com/cs/ww/en/view/109783346/"
},
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-10921"
},
{
"category": "external",
"summary": "www.first.org",
"url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "Apply Defense-in-Depth concept, including protection concept outlined in\nthe system manual.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "vendor_fix",
"details": "Update to V8.3. Notice that in order to update, a new hardware version is required. - Download: https://support.industry.siemens.com/cs/ww/en/view/109783346/ ",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109783346/"
},
{
"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. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
"product_ids": [
"CSAFPID-0001"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C",
"version": "3.1"
},
"products": [
"CSAFPID-0001"
]
}
]
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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.