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CVE-2022-22233

Estado: ModificadaMedia (5.5)—

An Unchecked Return Value to NULL Pointer Dereference vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause a Denial of Service (DoS). In Segment Routing (SR) to Label Distribution Protocol (LDP) interworking scenario, configured with Segment Routing Mapping Server (SRMS) at any node, when an Area Border Router (ABR) leaks the SRMS entries having "S" flag set from IS-IS Level 2 to Level 1, an rpd core might be observed when a specific low privileged CLI command is issued.

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This issue affects: Juniper Networks Junos OS 21.4 versions prior to 21.4R1-S2, 21.4R2-S1, 21.4R3; 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved 21.4-EVO versions prior to 21.4R1-S2-EVO, 21.4R2-S1-EVO, 21.4R3-EVO; 22.1-EVO versions prior to 22.1R2-EVO. This issue does not affect: Juniper Networks Junos OS versions prior to 21.4R1. Juniper Networks Junos OS Evolved versions prior to 21.4R1-EVO.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Juniper — JunosJuniper — Junos OS Evolved

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-22233",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-22233",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-09T17:56:10.828053Z"
        }
      }
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    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "sirt@juniper.net",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
        "exploitabilityScore": 1.8
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          "integrityImpact": "NONE",
          "userInteraction": "NONE",
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  "affected": [
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      "affectedData": [
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          "vendor": "Juniper Networks",
          "product": "Junos OS",
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              "version": "21.4",
              "lessThan": "21.4R1-S2, 21.4R2-S1, 21.4R3",
              "versionType": "custom"
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              "version": "22.1",
              "lessThan": "22.1R2",
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          "vendor": "Juniper Networks",
          "product": "Junos OS Evolved",
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              "status": "unaffected",
              "version": "unspecified",
              "lessThan": "21.4R1-EVO",
              "versionType": "custom"
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              "status": "affected",
              "version": "21.4-EVO",
              "lessThan": "21.4R1-S2-EVO, 21.4R2-S1-EVO, 21.4R3-EVO",
              "versionType": "custom"
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              "version": "22.1-EVO",
              "lessThan": "22.1R2-EVO",
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  ],
  "published": "2022-10-18T03:15:10.407",
  "references": [
    {
      "url": "https://kb.juniper.net/JSA69887",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "sirt@juniper.net"
    },
    {
      "url": "https://kb.juniper.net/JSA69887",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "sirt@juniper.net",
      "description": [
        {
          "lang": "en",
          "value": "CWE-690"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-252"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Unchecked Return Value to NULL Pointer Dereference vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause a Denial of Service (DoS). In Segment Routing (SR) to Label Distribution Protocol (LDP) interworking scenario, configured with Segment Routing Mapping Server (SRMS) at any node, when an Area Border Router (ABR) leaks the SRMS entries having \"S\" flag set from IS-IS Level 2 to Level 1, an rpd core might be observed when a specific low privileged CLI command is issued. This issue affects: Juniper Networks Junos OS 21.4 versions prior to 21.4R1-S2, 21.4R2-S1, 21.4R3; 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved 21.4-EVO versions prior to 21.4R1-S2-EVO, 21.4R2-S1-EVO, 21.4R3-EVO; 22.1-EVO versions prior to 22.1R2-EVO. This issue does not affect: Juniper Networks Junos OS versions prior to 21.4R1. Juniper Networks Junos OS Evolved versions prior to 21.4R1-EVO."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Desreferencia de Valor de Retorno a Puntero NULL no Comprobada en Routing Protocol Daemon (rpd) de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante autenticado localmente con bajos privilegios causar una Denegación de Servicio (DoS). En el escenario de Inter funcionamiento de Segment Routing (SR) a Label Distribution Protocol (LDP), configurado con Segment Routing Mapping Server (SRMS) en cualquier nodo, cuando un Area Border Router (ABR) filtra las entradas de SRMS que presentan el flag \"S\" definida de IS-IS Nivel 2 a Nivel 1, podría observarse un núcleo de rpd cuando es emitido un comando CLI específico poco privilegiado. Este problema afecta a: Juniper Networks Junos OS 21.4 versiones anteriores a 21.4R1-S2, 21.4R2-S1, 21.4R3; 22.1 versiones anteriores a 22.1R2. Juniper Networks Junos OS Evolved 21.4-EVO versiones anteriores a 21.4R1-S2-EVO, 21.4R2-S1-EVO, 21.4R3-EVO; 22.1-EVO versiones anteriores a 22.1R2-EVO. Este problema no afecta a: Juniper Networks Junos OS versiones anteriores a 21.4R1. Las versiones del sistema operativo Junos Evolved de Juniper Networks anteriores a 21.4R1-EVO"
    }
  ],
  "lastModified": "2026-06-17T04:28:04.173",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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  "sourceIdentifier": "sirt@juniper.net"
}