ssa-731916
Vulnerability from csaf_siemens
Published
2023-06-13 00:00
Modified
2023-06-13 00:00
Summary
SSA-731916: Multiple Vulnerabilities in CPCI85 Firmware of SICAM A8000 Devices
Notes
Summary
The CPCI85 firmware of SICAM A8000 CP-8031 and CP-8050 is affected by multiple vulnerabilities such as authenticated remote command injection, exposure of serial UART interface, and hard coded credentials (for UART login).
Siemens has released updates for the affected products and recommends to update to the latest versions.
General Recommendations
Operators of critical power systems (e.g. TSOs or DSOs) worldwide are usually required by regulations to build resilience into the power grids by applying multi-level redundant secondary protection schemes. It is therefore recommended that the operators check whether appropriate resilient protection measures are in place. The risk of cyber incidents impacting the grid's reliability can thus be minimized by virtue of the grid design.
Siemens strongly recommends applying the provided security updates using the corresponding tooling and documented procedures made available with the product. If supported by the product, an automated means to apply the security updates across multiple product instances may be used. Siemens strongly recommends prior validation of any security update before being applied, and supervision by trained staff of the update process in the target environment.
As a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g. firewalls, segmentation, VPN). It is advised to configure the environment according to our operational guidelines in order to run the devices in a protected IT environment.
Recommended security guidelines can be found at:
https://www.siemens.com/gridsecurity
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Terms of Use
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.
{
"document": {
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
"tlp": {
"label": "WHITE"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "The CPCI85 firmware of SICAM A8000 CP-8031 and CP-8050 is affected by multiple vulnerabilities such as authenticated remote command injection, exposure of serial UART interface, and hard coded credentials (for UART login). \n\nSiemens has released updates for the affected products and recommends to update to the latest versions.",
"title": "Summary"
},
{
"category": "general",
"text": "Operators of critical power systems (e.g. TSOs or DSOs) worldwide are usually required by regulations to build resilience into the power grids by applying multi-level redundant secondary protection schemes. It is therefore recommended that the operators check whether appropriate resilient protection measures are in place. The risk of cyber incidents impacting the grid\u0027s reliability can thus be minimized by virtue of the grid design.\nSiemens strongly recommends applying the provided security updates using the corresponding tooling and documented procedures made available with the product. If supported by the product, an automated means to apply the security updates across multiple product instances may be used. Siemens strongly recommends prior validation of any security update before being applied, and supervision by trained staff of the update process in the target environment. \nAs a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g. firewalls, segmentation, VPN). It is advised to configure the environment according to our operational guidelines in order to run the devices in a protected IT environment.\n\nRecommended security guidelines can be found at:\n\nhttps://www.siemens.com/gridsecurity",
"title": "General Recommendations"
},
{
"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": "legal_disclaimer",
"text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens\u0027 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\u0027 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.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "productcert@siemens.com",
"name": "Siemens ProductCERT",
"namespace": "https://www.siemens.com"
},
"references": [
{
"category": "self",
"summary": "SSA-731916: Multiple Vulnerabilities in CPCI85 Firmware of SICAM A8000 Devices - HTML Version",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-731916.html"
},
{
"category": "self",
"summary": "SSA-731916: Multiple Vulnerabilities in CPCI85 Firmware of SICAM A8000 Devices - CSAF Version",
"url": "https://cert-portal.siemens.com/productcert/csaf/ssa-731916.json"
},
{
"category": "self",
"summary": "SSA-731916: Multiple Vulnerabilities in CPCI85 Firmware of SICAM A8000 Devices - PDF Version",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf"
},
{
"category": "self",
"summary": "SSA-731916: Multiple Vulnerabilities in CPCI85 Firmware of SICAM A8000 Devices - TXT Version",
"url": "https://cert-portal.siemens.com/productcert/txt/ssa-731916.txt"
}
],
"title": "SSA-731916: Multiple Vulnerabilities in CPCI85 Firmware of SICAM A8000 Devices",
"tracking": {
"current_release_date": "2023-06-13T00:00:00Z",
"generator": {
"engine": {
"name": "Siemens ProductCERT CSAF Generator",
"version": "1"
}
},
"id": "SSA-731916",
"initial_release_date": "2023-06-13T00:00:00Z",
"revision_history": [
{
"date": "2023-06-13T00:00:00Z",
"legacy_version": "1.0",
"number": "1",
"summary": "Publication Date"
}
],
"status": "interim",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "vers:all/\u003cCPCI85 V05",
"product": {
"name": "CP-8031 MASTER MODULE (6MF2803-1AA00)",
"product_id": "1",
"product_identification_helper": {
"model_numbers": [
"6MF2803-1AA00"
]
}
}
}
],
"category": "product_name",
"name": "CP-8031 MASTER MODULE (6MF2803-1AA00)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "vers:all/\u003cCPCI85 V05",
"product": {
"name": "CP-8050 MASTER MODULE (6MF2805-0AA00)",
"product_id": "2",
"product_identification_helper": {
"model_numbers": [
"6MF2805-0AA00"
]
}
}
}
],
"category": "product_name",
"name": "CP-8050 MASTER MODULE (6MF2805-0AA00)"
}
],
"category": "vendor",
"name": "Siemens"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-33919",
"cwe": {
"id": "CWE-77",
"name": "Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)"
},
"notes": [
{
"category": "summary",
"text": "The web interface of affected devices is vulnerable to command injection due to missing server side input sanitation. This could allow an authenticated privileged remote attacker to execute arbitrary code with root privileges.",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"1",
"2"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Update to CPCI85 V05 or later version",
"product_ids": [
"1"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109804985/"
},
{
"category": "vendor_fix",
"details": "Update to CPCI85 V05 or later version",
"product_ids": [
"2"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109804985/"
}
],
"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": [
"1",
"2"
]
}
],
"title": "CVE-2023-33919"
},
{
"cve": "CVE-2023-33920",
"cwe": {
"id": "CWE-798",
"name": "Use of Hard-coded Credentials"
},
"notes": [
{
"category": "summary",
"text": "The affected devices contain the hash of the root password in a hard-coded form, which could be exploited for UART console login to the device. An attacker with direct physical access could exploit this vulnerability.",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"1",
"2"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Update to CPCI85 V05 or later version",
"product_ids": [
"1"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109804985/"
},
{
"category": "vendor_fix",
"details": "Update to CPCI85 V05 or later version",
"product_ids": [
"2"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109804985/"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
"version": "3.1"
},
"products": [
"1",
"2"
]
}
],
"title": "CVE-2023-33920"
},
{
"cve": "CVE-2023-33921",
"cwe": {
"id": "CWE-749",
"name": "Exposed Dangerous Method or Function"
},
"notes": [
{
"category": "summary",
"text": "The affected devices contain an exposed UART console login interface. An attacker with direct physical access could try to bruteforce or crack the root password to login to the device.",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"1",
"2"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Update to CPCI85 V05 or later version",
"product_ids": [
"1"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109804985/"
},
{
"category": "vendor_fix",
"details": "Update to CPCI85 V05 or later version",
"product_ids": [
"2"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109804985/"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
"version": "3.1"
},
"products": [
"1",
"2"
]
}
],
"title": "CVE-2023-33921"
}
]
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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