VDE-2020-049
Vulnerability from csaf_phoenixcontactgmbhcokg - Published: 2020-12-17 09:00 - Updated: 2020-12-17 09:00Summary
Phoenix Contact: Multiple vulnerabilities in PLCnext Control devices < 2021.0 LTS
Notes
Summary: Multiple vulnerabilities have been identified in PLCnext Control devices. Please consult the aforementioned CVE-IDs.
Impact: See Impact for the listed CVE-IDs.
Mitigation: Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:Measures to protect network-capable devices with Ethernet connection (PDF)
Remediation: Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities.
On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an attacker can use this vulnerability i.e. to open a reverse shell with root privileges.
9.8 (Critical)
Mitigation
Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:Measures to protect network-capable devices with Ethernet connection (PDF)
Vendor Fix
Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities.
On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS a specially crafted LLDP packet may lead to a high system load in the PROFINET stack. An attacker can cause failure of system services or a complete reboot.
6.5 (Medium)
Mitigation
Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:Measures to protect network-capable devices with Ethernet connection (PDF)
Vendor Fix
Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities.
On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).
9 (Critical)
Mitigation
Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:Measures to protect network-capable devices with Ethernet connection (PDF)
Vendor Fix
Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities.
On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an attacker can use the knowledge gained by reading the insufficiently protected sensitive information to plan further attacks.
5.5 (Medium)
Mitigation
Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:Measures to protect network-capable devices with Ethernet connection (PDF)
Vendor Fix
Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities.
References
Acknowledgments
CERT@VDE
certvde.com
SVA Systemvertrieb Alexander GmbH
Patrick Muench
Torsten Loebner
Maurice Rothe
Pascal Keul
Daniel Hackel
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"title": "Phoenix Contact: Multiple vulnerabilities in PLCnext Control devices \u003c 2021.0 LTS",
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},
"vulnerabilities": [
{
"cve": "CVE-2020-12519",
"cwe": {
"id": "CWE-269",
"name": "Improper Privilege Management"
},
"notes": [
{
"category": "description",
"text": "On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an attacker can use this vulnerability i.e. to open a reverse shell with root privileges.",
"title": "Vulnerability Description"
}
],
"product_status": {
"fixed": [
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"CSAFPID-32002",
"CSAFPID-32003",
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"CSAFPID-32006"
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"CSAFPID-31003",
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"CSAFPID-31005",
"CSAFPID-31006"
]
},
"remediations": [
{
"category": "mitigation",
"details": "Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:Measures to protect network-capable devices with Ethernet connection\u00a0(PDF)",
"group_ids": [
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]
},
{
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"group_ids": [
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],
"scores": [
{
"cvss_v3": {
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"environmentalScore": 9.8,
"environmentalSeverity": "CRITICAL",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"temporalScore": 9.8,
"temporalSeverity": "CRITICAL",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
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"CSAFPID-31003",
"CSAFPID-31004",
"CSAFPID-31005",
"CSAFPID-31006"
]
}
],
"title": "CVE-2020-12519"
},
{
"cve": "CVE-2020-12521",
"cwe": {
"id": "CWE-20",
"name": "Improper Input Validation"
},
"notes": [
{
"category": "description",
"text": "On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS a specially crafted LLDP packet may lead to a high system load in the PROFINET stack. An attacker can cause failure of system services or a complete reboot.",
"title": "Vulnerability Description"
}
],
"product_status": {
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"CSAFPID-32002",
"CSAFPID-32003",
"CSAFPID-32004",
"CSAFPID-32005",
"CSAFPID-32006"
],
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"CSAFPID-31002",
"CSAFPID-31003",
"CSAFPID-31004",
"CSAFPID-31005",
"CSAFPID-31006"
]
},
"remediations": [
{
"category": "mitigation",
"details": "Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:Measures to protect network-capable devices with Ethernet connection\u00a0(PDF)",
"group_ids": [
"CSAFGID-0001"
]
},
{
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"details": "Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities.",
"group_ids": [
"CSAFGID-0001"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"environmentalScore": 6.5,
"environmentalSeverity": "MEDIUM",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"temporalScore": 6.5,
"temporalSeverity": "MEDIUM",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
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"CSAFPID-31002",
"CSAFPID-31003",
"CSAFPID-31004",
"CSAFPID-31005",
"CSAFPID-31006"
]
}
],
"title": "CVE-2020-12521"
},
{
"cve": "CVE-2020-12517",
"cwe": {
"id": "CWE-79",
"name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
},
"notes": [
{
"category": "description",
"text": "On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).",
"title": "Vulnerability Description"
}
],
"product_status": {
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"CSAFPID-32002",
"CSAFPID-32003",
"CSAFPID-32004",
"CSAFPID-32005",
"CSAFPID-32006"
],
"known_affected": [
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"CSAFPID-31002",
"CSAFPID-31003",
"CSAFPID-31004",
"CSAFPID-31005",
"CSAFPID-31006"
]
},
"remediations": [
{
"category": "mitigation",
"details": "Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:Measures to protect network-capable devices with Ethernet connection\u00a0(PDF)",
"group_ids": [
"CSAFGID-0001"
]
},
{
"category": "vendor_fix",
"details": "Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities.",
"group_ids": [
"CSAFGID-0001"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"environmentalScore": 9.1,
"environmentalSeverity": "CRITICAL",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"temporalScore": 9,
"temporalSeverity": "CRITICAL",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
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"CSAFPID-31002",
"CSAFPID-31003",
"CSAFPID-31004",
"CSAFPID-31005",
"CSAFPID-31006"
]
}
],
"title": "CVE-2020-12517"
},
{
"cve": "CVE-2020-12518",
"cwe": {
"id": "CWE-200",
"name": "Exposure of Sensitive Information to an Unauthorized Actor"
},
"notes": [
{
"category": "description",
"text": "On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an attacker can use the knowledge gained by reading the insufficiently protected sensitive information to plan further attacks.",
"title": "Vulnerability Description"
}
],
"product_status": {
"fixed": [
"CSAFPID-32001",
"CSAFPID-32002",
"CSAFPID-32003",
"CSAFPID-32004",
"CSAFPID-32005",
"CSAFPID-32006"
],
"known_affected": [
"CSAFPID-31001",
"CSAFPID-31002",
"CSAFPID-31003",
"CSAFPID-31004",
"CSAFPID-31005",
"CSAFPID-31006"
]
},
"remediations": [
{
"category": "mitigation",
"details": "Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:Measures to protect network-capable devices with Ethernet connection\u00a0(PDF)",
"group_ids": [
"CSAFGID-0001"
]
},
{
"category": "vendor_fix",
"details": "Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities.",
"group_ids": [
"CSAFGID-0001"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"environmentalScore": 5.5,
"environmentalSeverity": "MEDIUM",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"temporalScore": 5.5,
"temporalSeverity": "MEDIUM",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"products": [
"CSAFPID-31001",
"CSAFPID-31002",
"CSAFPID-31003",
"CSAFPID-31004",
"CSAFPID-31005",
"CSAFPID-31006"
]
}
],
"title": "CVE-2020-12518"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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