FKIE_CVE-2021-0233

Vulnerability from fkie_nvd - Published: 2021-04-22 20:15 - Updated: 2026-06-17 03:29
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability in Juniper Networks Junos OS ACX500 Series, ACX4000 Series, may allow an attacker to cause a Denial of Service (DoS) by sending a high rate of specific packets to the device, resulting in a Forwarding Engine Board (FFEB) crash. Continued receipt of these packets will sustain the Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on ACX500 Series, ACX4000 Series: 17.4 versions prior to 17.4R3-S2.
References
sirt@juniper.nethttps://kb.juniper.net/JSA11128Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://kb.juniper.net/JSA11128Vendor Advisory
Impacted products
Vendor Product Version
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper junos 17.4
juniper acx4000 -
juniper acx500 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "platforms": [
            "ACX500 Series, ACX4000 Series"
          ],
          "product": "Junos OS",
          "vendor": "Juniper Networks",
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            }
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        }
      ],
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    }
  ],
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in Juniper Networks Junos OS ACX500 Series, ACX4000 Series, may allow an attacker to cause a Denial of Service (DoS) by sending a high rate of specific packets to the device, resulting in a Forwarding Engine Board (FFEB) crash. Continued receipt of these packets will sustain the Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on ACX500 Series, ACX4000 Series: 17.4 versions prior to 17.4R3-S2."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en Juniper Networks Junos OS en las Series ACX500, ACX4000, puede permitir a un atacante causar una Denegaci\u00f3n de Servicio (DoS) mediante el env\u00edo de una alta tasa de paquetes espec\u00edficos hacia el dispositivo, resultando en un bloqueo de Forwarding Engine Board (FFEB).\u0026#xa0;La recepci\u00f3n continua de estos paquetes mantendr\u00e1 la condici\u00f3n de Denegaci\u00f3n de Servicio (DoS).\u0026#xa0;Este problema afecta a Juniper Networks Junos OS en ACX500 Series, ACX4000 Series: versiones 17.4 anteriores a 17.4R3-S2"
    }
  ],
  "id": "CVE-2021-0233",
  "lastModified": "2026-06-17T03:29:33.483",
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
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          "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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        "impactScore": 3.6,
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  "published": "2021-04-22T20:15:08.740",
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      "source": "sirt@juniper.net",
      "tags": [
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  "vulnStatus": "Modified",
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}



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