FKIE_CVE-2022-3480

Vulnerability from fkie_nvd - Published: 2022-11-15 11:15 - Updated: 2026-06-17 04:59
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.
Impacted products
Vendor Product Version
phoenixcontact fl_mguard_centerport_firmware *
phoenixcontact fl_mguard_centerport -
phoenixcontact fl_mguard_centerport_vpn-1000_firmware *
phoenixcontact fl_mguard_centerport_vpn-1000 -
phoenixcontact fl_mguard_core_tx_firmware *
phoenixcontact fl_mguard_core_tx -
phoenixcontact fl_mguard_core_tx_vpn_firmware *
phoenixcontact fl_mguard_core_tx_vpn -
phoenixcontact fl_mguard_delta_tx\/tx_firmware *
phoenixcontact fl_mguard_delta_tx\/tx -
phoenixcontact fl_mguard_delta_tx\/tx_vpn_firmware *
phoenixcontact fl_mguard_delta_tx\/tx_vpn -
phoenixcontact fl_mguard_gt\/gt_firmware *
phoenixcontact fl_mguard_gt\/gt -
phoenixcontact fl_mguard_gt\/gt_vpn_firmware *
phoenixcontact fl_mguard_gt\/gt_vpn -
phoenixcontact fl_mguard_pci4000_firmware *
phoenixcontact fl_mguard_pci4000 -
phoenixcontact fl_mguard_pci4000_vpn_firmware *
phoenixcontact fl_mguard_pci4000_vpn -
phoenixcontact fl_mguard_pcie4000_firmware *
phoenixcontact fl_mguard_pcie4000 -
phoenixcontact fl_mguard_pcie4000_vpn_firmware *
phoenixcontact fl_mguard_pcie4000_vpn -
phoenixcontact fl_mguard_rs2000_tx\/tx-b_firmware *
phoenixcontact fl_mguard_rs2000_tx\/tx-b -
phoenixcontact fl_mguard_rs2000_tx\/tx_vpn_firmware *
phoenixcontact fl_mguard_rs2000_tx\/tx_vpn -
phoenixcontact fl_mguard_rs2005_tx_vpn_firmware *
phoenixcontact fl_mguard_rs2005_tx_vpn -
phoenixcontact fl_mguard_rs4000_tx\/tx_firmware *
phoenixcontact fl_mguard_rs4000_tx\/tx -
phoenixcontact fl_mguard_rs4000_tx\/tx-m_firmware *
phoenixcontact fl_mguard_rs4000_tx\/tx-m -
phoenixcontact fl_mguard_rs4000_tx\/tx-p_firmware *
phoenixcontact fl_mguard_rs4000_tx\/tx-p -
phoenixcontact fl_mguard_rs4000_tx\/tx_vpn_firmware *
phoenixcontact fl_mguard_rs4000_tx\/tx_vpn -
phoenixcontact fl_mguard_rs4004_tx\/dtx_firmware *
phoenixcontact fl_mguard_rs4004_tx\/dtx -
phoenixcontact fl_mguard_rs4004_tx\/dtx_vpn_firmware *
phoenixcontact fl_mguard_rs4004_tx\/dtx_vpn -
phoenixcontact fl_mguard_smart2_firmware *
phoenixcontact fl_mguard_smart2 -
phoenixcontact fl_mguard_smart2_vpn_firmware *
phoenixcontact fl_mguard_smart2_vpn -
phoenixcontact tc_mguard_rs2000_3g_vpn_firmware *
phoenixcontact tc_mguard_rs2000_3g_vpn -
phoenixcontact tc_mguard_rs2000_4g_att_vpn_firmware *
phoenixcontact tc_mguard_rs2000_4g_att_vpn -
phoenixcontact tc_mguard_rs2000_4g_vpn_firmware *
phoenixcontact tc_mguard_rs2000_4g_vpn -
phoenixcontact tc_mguard_rs2000_4g_vzw_vpn_firmware *
phoenixcontact tc_mguard_rs2000_4g_vzw_vpn -
phoenixcontact tc_mguard_rs4000_3g_vpn_firmware *
phoenixcontact tc_mguard_rs4000_3g_vpn -
phoenixcontact tc_mguard_rs4000_4g_att_vpn_firmware *
phoenixcontact tc_mguard_rs4000_4g_att_vpn -
phoenixcontact tc_mguard_rs4000_4g_vpn_firmware *
phoenixcontact tc_mguard_rs4000_4g_vpn -
phoenixcontact tc_mguard_rs4000_4g_vzw_vpn_firmware *
phoenixcontact tc_mguard_rs4000_4g_vzw_vpn -

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD CENTERPORT",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD CENTERPORT VPN-1000",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD CORE TX",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD CORE TX VPN",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD DELTA TX/TX",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD DELTA TX/TX VPN",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD GT/GT",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD GT/GT VPN",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD PCI4000",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD PCI4000 VPN",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD PCIE4000",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD PCIE4000 VPN",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD RS2000 TX/TX-B",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD RS2000 TX/TX VPN",
          "vendor": "PHOENIX CONTACT",
          "versions": [
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              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD RS2005 TX VPN",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD RS4000 TX/TX",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
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          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD RS4000 TX/TX-M",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
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            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD RS4000 TX/TX-P",
          "vendor": "PHOENIX CONTACT",
          "versions": [
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              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
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            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD RS4000 TX/TX VPN",
          "vendor": "PHOENIX CONTACT",
          "versions": [
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              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD RS4004 TX/DTX",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD RS4004 TX/DTX VPN",
          "vendor": "PHOENIX CONTACT",
          "versions": [
            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL MGUARD SMART2",
          "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"
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          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "TC MGUARD RS4000 4G ATT VPN",
          "vendor": "PHOENIX CONTACT",
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            {
              "lessThan": "8.9.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
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        }
      ],
      "source": "info@cert.vde.com"
    }
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  "cveTags": [],
  "descriptions": [
    {
      "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."
    }
  ],
  "id": "CVE-2022-3480",
  "lastModified": "2026-06-17T04:59:36.397",
  "metrics": {
    "cvssMetricV31": [
      {
        "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "info@cert.vde.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-3480",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-29T20:13:37.379872Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-11-15T11:15:12.100",
  "references": [
    {
      "source": "info@cert.vde.com",
      "tags": [
        "Mitigation",
        "Third Party Advisory"
      ],
      "url": "https://cert.vde.com/en/advisories/VDE-2022-051/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mitigation",
        "Third Party Advisory"
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      "url": "https://cert.vde.com/en/advisories/VDE-2022-051/"
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  ],
  "sourceIdentifier": "info@cert.vde.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "info@cert.vde.com",
      "type": "Secondary"
    }
  ]
}


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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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Detection rules are retrieved from Rulezet.

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