fkie_cve-2021-21005
Vulnerability from fkie_nvd
Published
2021-06-25 19:15
Modified
2024-11-21 05:47
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards.
References
info@cert.vde.comhttps://cert.vde.com/en-us/advisories/vde-2021-023Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert.vde.com/en-us/advisories/vde-2021-023Third Party Advisory
Impacted products
Vendor Product Version
phoenixcontact fl_switch_smcs_16tx_firmware *
phoenixcontact fl_switch_smcs_16tx -
phoenixcontact fl_switch_smcs_14tx\/2fx_firmware *
phoenixcontact fl_switch_smcs_14tx\/2fx -
phoenixcontact fl_switch_smcs_14tx\/2fx-sm_firmware *
phoenixcontact fl_switch_smcs_14tx\/2fx-sm -
phoenixcontact fl_switch_smcs_8gt_firmware *
phoenixcontact fl_switch_smcs_8gt -
phoenixcontact fl_switch_smcs_6gt\/2sfp_firmware *
phoenixcontact fl_switch_smcs_6gt\/2sfp -
phoenixcontact fl_switch_smcs_8tx-pn_firmware *
phoenixcontact fl_switch_smcs_8tx-pn -
phoenixcontact fl_switch_smcs_4tx-pn_firmware *
phoenixcontact fl_switch_smcs_4tx-pn -
phoenixcontact fl_switch_smcs_8tx_firmware *
phoenixcontact fl_switch_smcs_8tx -
phoenixcontact fl_switch_smcs_6tx\/2sfp_firmware *
phoenixcontact fl_switch_smcs_6tx\/2sfp -
phoenixcontact fl_switch_smn_6tx\/2pof-pn_firmware *
phoenixcontact fl_switch_smn_6tx\/2pof-pn -
phoenixcontact fl_switch_smn_8tx-pn_firmware *
phoenixcontact fl_switch_smn_8tx-pn -
phoenixcontact fl_switch_smn_6tx\/2fx_firmware *
phoenixcontact fl_switch_smn_6tx\/2fx -
phoenixcontact fl_switch_smn_6tx\/2fx_sm_firmware *
phoenixcontact fl_switch_smn_6tx\/2fx_sm -
phoenixcontact fl_nat_smn_8tx_firmware *
phoenixcontact fl_nat_smn_8tx -
phoenixcontact fl_nat_smn_8tx-m_firmware *
phoenixcontact fl_nat_smn_8tx-m -


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards."
    },
    {
      "lang": "es",
      "value": "En los productos de la serie Phoenix Contact FL SWITCH SMCS en m\u00faltiples versiones, si un atacante env\u00eda un paquete TCP dise\u00f1ado a mano con el Urgent-Flag ajustado y el Urgent-Pointer ajustado en 0, la pila de red se bloquear\u00e1. El dispositivo debe ser reiniciado despu\u00e9s"
    }
  ],
  "id": "CVE-2021-21005",
  "lastModified": "2024-11-21T05:47:23.300",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
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        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
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          "attackVector": "NETWORK",
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          "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",
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          "attackVector": "NETWORK",
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          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "source": "nvd@nist.gov",
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  "published": "2021-06-25T19:15:08.797",
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      "source": "info@cert.vde.com",
      "tags": [
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  "sourceIdentifier": "info@cert.vde.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "info@cert.vde.com",
      "type": "Secondary"
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}


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