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CVE-2017-6028 (GCVE-0-2017-6028)
Vulnerability from cvelistv5
Published
2017-06-30 02:35
Modified
2024-08-05 15:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all firmware versions. Log-in credentials are sent over the network with Base64 encoding leaving them susceptible to sniffing. Sniffed credentials could then be used to log into the web application.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| ics-cert@hq.dhs.gov | http://www.securityfocus.com/bid/97254 | Third Party Advisory, VDB Entry | |
| ics-cert@hq.dhs.gov | https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02 | Third Party Advisory, US Government Resource | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/97254 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02 | Third Party Advisory, US Government Resource |
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Schneider Electric Modicon PLCs |
Version: Schneider Electric Modicon PLCs |
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ICSA-17-089-02
Vulnerability from csaf_cisa
Published
2017-03-30 00:00
Modified
2017-03-30 00:00
Summary
Schneider Electric Modicon PLCs
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
ATTENTION: Remotely exploitable/low skill level to exploit.
Countries/areas deployed
Worldwide
Company headquarters location
Paris, France
Recommended Practices
NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
Recommended Practices
ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
Recommended Practices
ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page. 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 in the ICS -CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site.
Recommended Practices
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.
Exploitability
No known public exploits specifically target these vulnerabilities.
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"document": {
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"organization": "Georgia Tech",
"summary": "reporting the identified vulnerabilities"
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"summary": "reporting the identified vulnerabilities"
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],
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Disclosure is not limited",
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"url": "https://us-cert.cisa.gov/tlp/"
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"notes": [
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"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": "ATTENTION: Remotely exploitable/low skill level to exploit.",
"title": "Risk evaluation"
},
{
"category": "other",
"text": "Worldwide",
"title": "Countries/areas deployed"
},
{
"category": "other",
"text": "Paris, France",
"title": "Company headquarters location"
},
{
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"text": "NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:",
"title": "Recommended Practices"
},
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"text": "ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
"title": "Recommended Practices"
},
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"title": "Recommended Practices"
},
{
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"title": "Recommended Practices"
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"title": "Recommended Practices"
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"text": "No known public exploits specifically target these vulnerabilities.",
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"summary": "ICS Advisory ICSA-17-089-02 JSON",
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},
{
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"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-089-02"
},
{
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"summary": "Recommended Practices",
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],
"title": "Schneider Electric Modicon PLCs",
"tracking": {
"current_release_date": "2017-03-30T00:00:00.000000Z",
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{
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"name": "vers:all/*",
"product": {
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"product_id": "CSAFPID-0004"
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],
"category": "product_name",
"name": "Modicon M241"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c 4.0.5.11",
"product": {
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"product_id": "CSAFPID-0005"
}
}
],
"category": "product_name",
"name": "Modicon M251"
}
],
"category": "vendor",
"name": "Schneider Electric Software, LLC"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2017-6030",
"cwe": {
"id": "CWE-343",
"name": "Predictable Value Range from Previous Values"
},
"notes": [
{
"category": "summary",
"text": "The affected products generate insufficiently random TCP initial sequence numbers that may allow an attacker to predict the numbers from previous values. This may allow an attacker to spoof or disrupt TCP connections.CVE-2017-6030 has been assigned to this vulnerability. A CVSS v3 base score of 6.5 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L).",
"title": "Vulnerability Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
"references": [
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-6030"
},
{
"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:L/I:N/A:L"
}
],
"remediations": [
{
"category": "mitigation",
"details": "Schneider Electric has released new firmware versions to address the predictable value range from previous values vulnerability and the use of insufficiently random values vulnerability, which are available through Schneider Electric\u0027s software update tool, SoMachine, Version 4.2, and SoMachineBasic, Version 1.5. Schneider Electric has not released a product to address the insufficiently protected credentials vulnerability; however, Schneider Electric has provided compensating controls to reduce the risk of exploitation.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "SoMachineBasic, Version 1.5, is available",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.fr/fr/download/document/SOMBASAP15SOFT/"
},
{
"category": "mitigation",
"details": "Verify that the hardware and software infrastructure that the PLCs are integrated into (along with all organizational measures and rules covering access to the infrastructure) consider the results of the hazard and risk analysis, and are implemented according to best practices and standards such as ISA/IEC 62443.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Limit traffic on the local network with managed switches",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Where possible, avoid using Wi-Fi networks, but when Wi-Fi is essential, use only secure communications (such as WPA2 encryption)",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Do not grant [network] access to unknown computers",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "When remote access is essential, use secure methods such as Virtual Private Networks (VPNs), and ensure the remote access solution(s), as well as the remote computer(s) are kept up-to-date with the latest security patches.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Schneider Electric has released Security Notifications SEVD-2017-075-01, SEVD-2017-075-02, and SEVD-2017-075-03, which provide additional information about the identified vulnerabilities, mitigations, and compensating controls",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-075-01"
},
{
"category": "mitigation",
"details": "Schneider Electric has released Security Notifications SEVD-2017-075-01, SEVD-2017-075-02, and SEVD-2017-075-03, which provide additional information about the identified vulnerabilities, mitigations, and compensating controls",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-075-02"
},
{
"category": "mitigation",
"details": "Schneider Electric has released Security Notifications SEVD-2017-075-01, SEVD-2017-075-02, and SEVD-2017-075-03, which provide additional information about the identified vulnerabilities, mitigations, and compensating controls",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-075-03"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"version": "3.0"
},
"products": [
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}
]
},
{
"cve": "CVE-2017-6026",
"cwe": {
"id": "CWE-330",
"name": "Use of Insufficiently Random Values"
},
"notes": [
{
"category": "summary",
"text": "The session numbers generated by the web application are lacking randomization and are shared between several users. This may allow a current session to be compromised.CVE-2017-6026 has been assigned to this vulnerability. A CVSS v3 base score of 6.5 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).",
"title": "Vulnerability Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
"references": [
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-6026"
},
{
"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:L/I:L/A:N"
}
],
"remediations": [
{
"category": "mitigation",
"details": "Schneider Electric has released new firmware versions to address the predictable value range from previous values vulnerability and the use of insufficiently random values vulnerability, which are available through Schneider Electric\u0027s software update tool, SoMachine, Version 4.2, and SoMachineBasic, Version 1.5. Schneider Electric has not released a product to address the insufficiently protected credentials vulnerability; however, Schneider Electric has provided compensating controls to reduce the risk of exploitation.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "SoMachineBasic, Version 1.5, is available",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.fr/fr/download/document/SOMBASAP15SOFT/"
},
{
"category": "mitigation",
"details": "Verify that the hardware and software infrastructure that the PLCs are integrated into (along with all organizational measures and rules covering access to the infrastructure) consider the results of the hazard and risk analysis, and are implemented according to best practices and standards such as ISA/IEC 62443.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Limit traffic on the local network with managed switches",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Where possible, avoid using Wi-Fi networks, but when Wi-Fi is essential, use only secure communications (such as WPA2 encryption)",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Do not grant [network] access to unknown computers",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "When remote access is essential, use secure methods such as Virtual Private Networks (VPNs), and ensure the remote access solution(s), as well as the remote computer(s) are kept up-to-date with the latest security patches.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Schneider Electric has released Security Notifications SEVD-2017-075-01, SEVD-2017-075-02, and SEVD-2017-075-03, which provide additional information about the identified vulnerabilities, mitigations, and compensating controls",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-075-01"
},
{
"category": "mitigation",
"details": "Schneider Electric has released Security Notifications SEVD-2017-075-01, SEVD-2017-075-02, and SEVD-2017-075-03, which provide additional information about the identified vulnerabilities, mitigations, and compensating controls",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-075-02"
},
{
"category": "mitigation",
"details": "Schneider Electric has released Security Notifications SEVD-2017-075-01, SEVD-2017-075-02, and SEVD-2017-075-03, which provide additional information about the identified vulnerabilities, mitigations, and compensating controls",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-075-03"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.0"
},
"products": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
}
]
},
{
"cve": "CVE-2017-6028",
"cwe": {
"id": "CWE-522",
"name": "Insufficiently Protected Credentials"
},
"notes": [
{
"category": "summary",
"text": "Log-in credentials are sent over the network with Base64 encoding leaving them susceptible to sniffing. Sniffed credentials could then be used to log into the web application.CVE-2017-6028 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).",
"title": "Vulnerability Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
"references": [
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-6028"
},
{
"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": "mitigation",
"details": "Schneider Electric has released new firmware versions to address the predictable value range from previous values vulnerability and the use of insufficiently random values vulnerability, which are available through Schneider Electric\u0027s software update tool, SoMachine, Version 4.2, and SoMachineBasic, Version 1.5. Schneider Electric has not released a product to address the insufficiently protected credentials vulnerability; however, Schneider Electric has provided compensating controls to reduce the risk of exploitation.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "SoMachineBasic, Version 1.5, is available",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.fr/fr/download/document/SOMBASAP15SOFT/"
},
{
"category": "mitigation",
"details": "Verify that the hardware and software infrastructure that the PLCs are integrated into (along with all organizational measures and rules covering access to the infrastructure) consider the results of the hazard and risk analysis, and are implemented according to best practices and standards such as ISA/IEC 62443.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Limit traffic on the local network with managed switches",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Where possible, avoid using Wi-Fi networks, but when Wi-Fi is essential, use only secure communications (such as WPA2 encryption)",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Do not grant [network] access to unknown computers",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "When remote access is essential, use secure methods such as Virtual Private Networks (VPNs), and ensure the remote access solution(s), as well as the remote computer(s) are kept up-to-date with the latest security patches.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Schneider Electric has released Security Notifications SEVD-2017-075-01, SEVD-2017-075-02, and SEVD-2017-075-03, which provide additional information about the identified vulnerabilities, mitigations, and compensating controls",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-075-01"
},
{
"category": "mitigation",
"details": "Schneider Electric has released Security Notifications SEVD-2017-075-01, SEVD-2017-075-02, and SEVD-2017-075-03, which provide additional information about the identified vulnerabilities, mitigations, and compensating controls",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-075-02"
},
{
"category": "mitigation",
"details": "Schneider Electric has released Security Notifications SEVD-2017-075-01, SEVD-2017-075-02, and SEVD-2017-075-03, which provide additional information about the identified vulnerabilities, mitigations, and compensating controls",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-075-03"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.0"
},
"products": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
}
]
}
]
}
icsa-17-089-02
Vulnerability from csaf_cisa
Published
2017-03-30 00:00
Modified
2017-03-30 00:00
Summary
Schneider Electric Modicon PLCs
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
ATTENTION: Remotely exploitable/low skill level to exploit.
Countries/areas deployed
Worldwide
Company headquarters location
Paris, France
Recommended Practices
NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
Recommended Practices
ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
Recommended Practices
ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page. 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 in the ICS -CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site.
Recommended Practices
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.
Exploitability
No known public exploits specifically target these vulnerabilities.
{
"document": {
"acknowledgments": [
{
"names": [
"David Formby",
"Raheem Beyah"
],
"organization": "Georgia Tech",
"summary": "reporting the identified vulnerabilities"
},
{
"organization": "Fortiphyd Logic, Inc",
"summary": "reporting the identified vulnerabilities"
}
],
"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": "ATTENTION: Remotely exploitable/low skill level to exploit.",
"title": "Risk evaluation"
},
{
"category": "other",
"text": "Worldwide",
"title": "Countries/areas deployed"
},
{
"category": "other",
"text": "Paris, France",
"title": "Company headquarters location"
},
{
"category": "general",
"text": "NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:",
"title": "Recommended Practices"
},
{
"category": "general",
"text": "ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
"title": "Recommended Practices"
},
{
"category": "general",
"text": "ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page. 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 in the ICS -CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site.",
"title": "Recommended Practices"
},
{
"category": "general",
"text": "Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.",
"title": "Recommended Practices"
},
{
"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-17-089-02 JSON",
"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2017/icsa-17-089-02.json"
},
{
"category": "self",
"summary": "ICS Advisory ICSA-17-089-02 Web Version",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-089-02"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-089-02"
}
],
"title": "Schneider Electric Modicon PLCs",
"tracking": {
"current_release_date": "2017-03-30T00:00:00.000000Z",
"generator": {
"engine": {
"name": "CISA CSAF Generator",
"version": "1.0.0"
}
},
"id": "ICSA-17-089-02",
"initial_release_date": "2017-03-30T00:00:00.000000Z",
"revision_history": [
{
"date": "2017-03-30T00:00:00.000000Z",
"legacy_version": "Initial",
"number": "1",
"summary": "ICSA-17-089-02 Schneider Electric Modicon PLCs"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c 1.5.0.0",
"product": {
"name": "Modicon M221: firmware versions prior to Version 1.5.0.0",
"product_id": "CSAFPID-0001"
}
}
],
"category": "product_name",
"name": "Modicon M221"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c 4.0.5.11",
"product": {
"name": "Modicon M241: firmware versions prior to Version 4.0.5.11",
"product_id": "CSAFPID-0002"
}
}
],
"category": "product_name",
"name": "Modicon M241"
},
{
"branches": [
{
"category": "product_version",
"name": "vers:all/*",
"product": {
"name": "Modicon M251: all versions",
"product_id": "CSAFPID-0003"
}
}
],
"category": "product_name",
"name": "Modicon M251"
},
{
"branches": [
{
"category": "product_version",
"name": "vers:all/*",
"product": {
"name": "Modicon M241: all versions",
"product_id": "CSAFPID-0004"
}
}
],
"category": "product_name",
"name": "Modicon M241"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c 4.0.5.11",
"product": {
"name": "Modicon M251: firmware versions prior to Version 4.0.5.11",
"product_id": "CSAFPID-0005"
}
}
],
"category": "product_name",
"name": "Modicon M251"
}
],
"category": "vendor",
"name": "Schneider Electric Software, LLC"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2017-6030",
"cwe": {
"id": "CWE-343",
"name": "Predictable Value Range from Previous Values"
},
"notes": [
{
"category": "summary",
"text": "The affected products generate insufficiently random TCP initial sequence numbers that may allow an attacker to predict the numbers from previous values. This may allow an attacker to spoof or disrupt TCP connections.CVE-2017-6030 has been assigned to this vulnerability. A CVSS v3 base score of 6.5 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L).",
"title": "Vulnerability Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
"references": [
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-6030"
},
{
"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:L/I:N/A:L"
}
],
"remediations": [
{
"category": "mitigation",
"details": "Schneider Electric has released new firmware versions to address the predictable value range from previous values vulnerability and the use of insufficiently random values vulnerability, which are available through Schneider Electric\u0027s software update tool, SoMachine, Version 4.2, and SoMachineBasic, Version 1.5. Schneider Electric has not released a product to address the insufficiently protected credentials vulnerability; however, Schneider Electric has provided compensating controls to reduce the risk of exploitation.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "SoMachineBasic, Version 1.5, is available",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.fr/fr/download/document/SOMBASAP15SOFT/"
},
{
"category": "mitigation",
"details": "Verify that the hardware and software infrastructure that the PLCs are integrated into (along with all organizational measures and rules covering access to the infrastructure) consider the results of the hazard and risk analysis, and are implemented according to best practices and standards such as ISA/IEC 62443.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Limit traffic on the local network with managed switches",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Where possible, avoid using Wi-Fi networks, but when Wi-Fi is essential, use only secure communications (such as WPA2 encryption)",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Do not grant [network] access to unknown computers",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "When remote access is essential, use secure methods such as Virtual Private Networks (VPNs), and ensure the remote access solution(s), as well as the remote computer(s) are kept up-to-date with the latest security patches.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
]
},
{
"category": "mitigation",
"details": "Schneider Electric has released Security Notifications SEVD-2017-075-01, SEVD-2017-075-02, and SEVD-2017-075-03, which provide additional information about the identified vulnerabilities, mitigations, and compensating controls",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-075-01"
},
{
"category": "mitigation",
"details": "Schneider Electric has released Security Notifications SEVD-2017-075-01, SEVD-2017-075-02, and SEVD-2017-075-03, which provide additional information about the identified vulnerabilities, mitigations, and compensating controls",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005"
],
"url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-075-02"
},
{
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ghsa-55h6-p6m7-f4h7
Vulnerability from github
Published
2022-05-13 01:04
Modified
2022-05-13 01:04
Severity ?
VLAI Severity ?
Details
An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all firmware versions. Log-in credentials are sent over the network with Base64 encoding leaving them susceptible to sniffing. Sniffed credentials could then be used to log into the web application.
{
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],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-06-30T03:29:00Z",
"severity": "CRITICAL"
},
"details": "An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all firmware versions. Log-in credentials are sent over the network with Base64 encoding leaving them susceptible to sniffing. Sniffed credentials could then be used to log into the web application.",
"id": "GHSA-55h6-p6m7-f4h7",
"modified": "2022-05-13T01:04:04Z",
"published": "2022-05-13T01:04:04Z",
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{
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}
var-201706-0457
Vulnerability from variot
An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all firmware versions. Log-in credentials are sent over the network with Base64 encoding leaving them susceptible to sniffing. Sniffed credentials could then be used to log into the web application. Schneider Electric Modicon PLC Modicon M241 and M251 The firmware contains a vulnerability related to certificate and password management.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. Schneider-Electric Modicon M251 and others are programmable controller products from Schneider Electric. Security vulnerabilities exist in several Schneider Electric Modicon products. Successfully exploiting these issues may allow attackers to obtain sensitive information or perform unauthorized actions. This may lead to other attacks
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cnvd-2017-09898
Vulnerability from cnvd
Title: 多个Schneider Electric Modicon产品存在漏洞
Description:
Schneider-Electric Modicon M251等都是法国施耐德电气（Schneider Electric）公司的可编程控制器产品。
多款Schneider Electric Modicon产品中存在安全漏洞。攻击者可通过嗅探证书利用该漏洞登陆Web应用程序。
Severity: 高
Patch Name: 多个Schneider Electric Modicon产品存在漏洞的补丁
Patch Description:
Schneider-Electric Modicon M251等都是法国施耐德电气（Schneider Electric）公司的可编程控制器产品。
多款Schneider Electric Modicon产品中存在安全漏洞。攻击者可通过嗅探证书利用该漏洞登陆Web应用程序。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description:
用户可参考如下厂商提供的安全补丁以修复该漏洞: https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02
Reference: http://www.securityfocus.com/bid/97254
Impacted products
| Name | ['Schneider Electric Modicon M251', 'Schneider Electric Modicon M241', 'Schneider Electric Modicon M221'] |
|---|
{
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]
},
"referenceLink": "http://www.securityfocus.com/bid/97254",
"serverity": "\u9ad8",
"submitTime": "2017-05-24",
"title": "\u591a\u4e2aSchneider Electric Modicon\u4ea7\u54c1\u5b58\u5728\u6f0f\u6d1e"
}
fkie_cve-2017-6028
Vulnerability from fkie_nvd
Published
2017-06-30 03:29
Modified
2025-04-20 01:37
Severity ?
Summary
An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all firmware versions. Log-in credentials are sent over the network with Base64 encoding leaving them susceptible to sniffing. Sniffed credentials could then be used to log into the web application.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| ics-cert@hq.dhs.gov | http://www.securityfocus.com/bid/97254 | Third Party Advisory, VDB Entry | |
| ics-cert@hq.dhs.gov | https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02 | Third Party Advisory, US Government Resource | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/97254 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02 | Third Party Advisory, US Government Resource |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| schneider-electric | modicon_m241_firmware | * | |
| schneider-electric | modicon_m241 | - | |
| schneider-electric | modicon_m251_firmware | * | |
| schneider-electric | modicon_m251 | - |
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gsd-2017-6028
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all firmware versions. Log-in credentials are sent over the network with Base64 encoding leaving them susceptible to sniffing. Sniffed credentials could then be used to log into the web application.
Aliases
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"remediation": "unknown",
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}
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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.
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