CVE-2022-3480 (GCVE-0-2022-3480)
Vulnerability from cvelistv5 – Published: 2022-11-15 10:58 – Updated: 2025-04-29 20:13
VLAI
EPSS
VEX
Title
Denial-of-Service vulnerability in PHOENIX CONTACT mGuard product family
Summary
A remote, unauthenticated attacker could cause a denial-of-service of PHOENIX CONTACT FL MGUARD and TC MGUARD devices below version 8.9.0 by sending a larger number of unauthenticated HTTPS connections originating from different source IP’s. Configuring firewall limits for incoming connections cannot prevent the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-29 20:13 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
Impacted products
31 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| PHOENIX CONTACT | FL MGUARD CENTERPORT |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD CENTERPORT VPN-1000 |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD CORE TX |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD CORE TX VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD DELTA TX/TX |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD DELTA TX/TX VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD GT/GT |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD GT/GT VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD PCI4000 |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD PCI4000 VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD PCIE4000 |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD PCIE4000 VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD RS2000 TX/TX-B |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD RS2000 TX/TX VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD RS2005 TX VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD RS4000 TX/TX |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD RS4000 TX/TX-M |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD RS4000 TX/TX-P |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD RS4000 TX/TX VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD RS4004 TX/DTX |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD RS4004 TX/DTX VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD SMART2 |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | FL MGUARD SMART2 VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | TC MGUARD RS2000 3G VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | TC MGUARD RS2000 4G ATT VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | TC MGUARD RS2000 4G VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | TC MGUARD RS2000 4G VZW VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | TC MGUARD RS4000 3G VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | TC MGUARD RS4000 4G ATT VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | TC MGUARD RS4000 4G VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed | |
| PHOENIX CONTACT | TC MGUARD RS4000 4G VZW VPN |
Affected:
0 , < 8.9.0
(semver)
|
guessed |
Date Public
2022-11-15 09:00
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{
"lang": "en",
"value": "A remote, unauthenticated attacker could cause a denial-of-service of PHOENIX CONTACT FL MGUARD and TC MGUARD devices below version 8.9.0 by sending a larger number of unauthenticated HTTPS connections originating from different source IP\u2019s. Configuring firewall limits for incoming connections cannot prevent the issue.\n"
},
{
"lang": "es",
"value": "Un atacante remoto no autenticado podr\u00eda provocar una Denegaci\u00f3n de Servicio (DoS) de los dispositivos PHOENIX CONTACT FL MGUARD y TC MGUARD inferiores a la versi\u00f3n 8.9.0 al enviar una mayor cantidad de conexiones HTTPS no autenticadas que se originan desde diferentes IP de origen. Configurar los l\u00edmites de firewall para conexiones entrantes no puede evitar el problema."
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"id": "CVE-2022-3480",
"lastModified": "2024-11-21T07:19:37.263",
"metrics": {
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"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"vendor": "PHOENIX CONTACT",
"versions": [
{
"lessThan": "8.9.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL MGUARD SMART2 VPN",
"vendor": "PHOENIX CONTACT",
"versions": [
{
"lessThan": "8.9.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "TC MGUARD RS2000 3G VPN",
"vendor": "PHOENIX CONTACT",
"versions": [
{
"lessThan": "8.9.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "TC MGUARD RS2000 4G ATT VPN",
"vendor": "PHOENIX CONTACT",
"versions": [
{
"lessThan": "8.9.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "TC MGUARD RS2000 4G VPN",
"vendor": "PHOENIX CONTACT",
"versions": [
{
"lessThan": "8.9.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "TC MGUARD RS2000 4G VZW VPN",
"vendor": "PHOENIX CONTACT",
"versions": [
{
"lessThan": "8.9.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "TC MGUARD RS4000 3G VPN",
"vendor": "PHOENIX CONTACT",
"versions": [
{
"lessThan": "8.9.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "TC MGUARD RS4000 4G ATT VPN",
"vendor": "PHOENIX CONTACT",
"versions": [
{
"lessThan": "8.9.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "TC MGUARD RS4000 4G VPN",
"vendor": "PHOENIX CONTACT",
"versions": [
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"version": "0",
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]
},
{
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"product": "TC MGUARD RS4000 4G VZW VPN",
"vendor": "PHOENIX CONTACT",
"versions": [
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"lessThan": "8.9.0",
"status": "affected",
"version": "0",
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}
],
"datePublic": "2022-11-15T09:00:00.000Z",
"descriptions": [
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"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eA remote, unauthenticated attacker could cause a denial-of-service of PHOENIX CONTACT FL MGUARD and TC MGUARD devices below version 8.9.0 \u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eby sending a larger number of unauthenticated HTTPS connections originating from different source IP\u2019s. Configuring firewall limits for incoming connections cannot prevent the issue.\u003c/span\u003e\u003cbr\u003e"
}
],
"value": "A remote, unauthenticated attacker could cause a denial-of-service of PHOENIX CONTACT FL MGUARD and TC MGUARD devices below version 8.9.0 by sending a larger number of unauthenticated HTTPS connections originating from different source IP\u2019s. Configuring firewall limits for incoming connections cannot prevent the issue.\n"
}
],
"impacts": [
{
"capecId": "CAPEC-469",
"descriptions": [
{
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}
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"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-770",
"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-11-15T10:58:25.780Z",
"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"shortName": "CERTVDE"
},
"references": [
{
"url": "https://cert.vde.com/en/advisories/VDE-2022-051/"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Upgrade to firmware version \u0026gt;= 8.9.0"
}
],
"value": "Upgrade to firmware version \u003e= 8.9.0"
}
],
"source": {
"advisory": "VDE-2022-051",
"defect": [
"CERT@VDE#64261"
],
"discovery": "EXTERNAL"
},
"title": "Denial-of-Service vulnerability in PHOENIX CONTACT mGuard product family",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"assignerShortName": "CERTVDE",
"cveId": "CVE-2022-3480",
"datePublished": "2022-11-15T10:58:25.780Z",
"dateReserved": "2022-10-13T07:49:46.094Z",
"dateUpdated": "2025-04-29T20:13:45.498Z",
"requesterUserId": "a1e5283b-8f0d-401e-98b2-bc6219c0e8d1",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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