{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-21601",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-10T13:11:29.847130Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-573",
                "description": "CWE-573 Improper Following of Specification by Caller",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-15T20:30:05.134Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "modules": [
            "J-Web",
            "Captive Portal",
            "802.1X",
            "Juniper Secure Connect (JSC)",
            "Firewall Authentication"
          ],
          "packageName": "AppWeb",
          "platforms": [
            "SRX Series",
            "EX Series",
            "MX240",
            "MX480",
            "MX960",
            "QFX5120 Series"
          ],
          "product": "Junos OS",
          "programRoutines": [
            {
              "name": "Mbedthis AppWeb"
            }
          ],
          "repo": "https://www.embedthis.com/appweb",
          "vendor": "Juniper Networks",
          "versions": [
            {
              "lessThan": "21.4R3-S9",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "22.2R3-S5",
              "status": "affected",
              "version": "22.2",
              "versionType": "semver"
            },
            {
              "lessThan": "22.4R3-S4",
              "status": "affected",
              "version": "22.4",
              "versionType": "semver"
            },
            {
              "lessThan": "23.2R2-S3",
              "status": "affected",
              "version": "23.2",
              "versionType": "semver"
            },
            {
              "lessThan": "23.4R2-S3",
              "status": "affected",
              "version": "23.4",
              "versionType": "semver"
            },
            {
              "lessThan": "24.2R1-S1, 24.2R2",
              "status": "affected",
              "version": "24.2",
              "versionType": "semver"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eThe following minimal configuration is necessary:\u003c/p\u003e\u003ccode\u003e\u0026nbsp; [ system services web-management ]\u003c/code\u003e"
            }
          ],
          "value": "The following minimal configuration is necessary:\n\n\u00a0 [ system services web-management ]"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Alexander Zielke with VegaSystems GmbH \u0026 Co. KG"
        }
      ],
      "datePublic": "2025-04-09T16:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An Improper Following of Specification by Caller vulnerability in web management (J-Web, Captive Portal, 802.1X, Juniper Secure Connect (JSC) of\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u0026nbsp;\u003c/span\u003eJuniper Networks Junos OS on SRX Series, EX Series, MX240, MX480, MX960, QFX5120 Series, allows an\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u0026nbsp;un\u003c/span\u003eauthenticated, network-based attacker, sending genuine traffic targeted to the device to cause the CPU to climb until the device becomes unresponsive. \u003cbr\u003e\u003cbr\u003eContinuous receipt of these packets will create a sustained Denial of Service (DoS) condition.\u003cbr\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eThis issue affects Junos OS:\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 21.4R3-S9,\u003c/li\u003e\u003cli\u003efrom 22.2 before 22.2R3-S5,\u003c/li\u003e\u003cli\u003efrom 22.4 before 22.4R3-S4,\u003c/li\u003e\u003cli\u003efrom 23.2 before 23.2R2-S3,\u003c/li\u003e\u003cli\u003efrom 23.4 before 23.4R2-S3,\u003c/li\u003e\u003cli\u003efrom 24.2 before 24.2R1-S1, 24.2R2.\u003c/li\u003e\u003c/ul\u003eAn indicator of compromise is to review the CPU % of the httpd process in the CLI:\u003cbr\u003ee.g.\u003cbr\u003e\u0026nbsp;\u003cspan style=\"background-color: var(--wht);\"\u003e\u0026nbsp;show system processes extensive | match httpd\u003c/span\u003e\u003cp\u003e\u003cstrong\u003e\u0026nbsp; \u003c/strong\u003ePID nobody \u0026nbsp; \u0026nbsp; \u0026nbsp; 52  \u0026nbsp; 0  \u0026nbsp; 20M\u0026nbsp; \u0026nbsp; 191M select \u0026nbsp; 2 \u0026nbsp; 0:01 \u0026nbsp; 80.00% httpd{httpd} \u003cstrong\u003e\u0026lt;\u0026lt;\u0026lt;\u0026lt;\u0026lt; the percentage of httpd usage if high may be an indicator\u003c/strong\u003e\u003c/p\u003e"
            }
          ],
          "value": "An Improper Following of Specification by Caller vulnerability in web management (J-Web, Captive Portal, 802.1X, Juniper Secure Connect (JSC) of\u00a0Juniper Networks Junos OS on SRX Series, EX Series, MX240, MX480, MX960, QFX5120 Series, allows an\u00a0unauthenticated, network-based attacker, sending genuine traffic targeted to the device to cause the CPU to climb until the device becomes unresponsive. \n\nContinuous receipt of these packets will create a sustained Denial of Service (DoS) condition.\n\n\n\n\nThis issue affects Junos OS:\u00a0\n\n\n\n  *  All versions before 21.4R3-S9,\n  *  from 22.2 before 22.2R3-S5,\n  *  from 22.4 before 22.4R3-S4,\n  *  from 23.2 before 23.2R2-S3,\n  *  from 23.4 before 23.4R2-S3,\n  *  from 24.2 before 24.2R1-S1, 24.2R2.\n\n\nAn indicator of compromise is to review the CPU % of the httpd process in the CLI:\ne.g.\n\u00a0\u00a0show system processes extensive | match httpd\u00a0 PID nobody \u00a0 \u00a0 \u00a0 52  \u00a0 0  \u00a0 20M\u00a0 \u00a0 191M select \u00a0 2 \u00a0 0:01 \u00a0 80.00% httpd{httpd} \u003c\u003c\u003c\u003c\u003c the percentage of httpd usage if high may be an indicator"
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
            }
          ],
          "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
        }
      ],
      "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"
            }
          ]
        },
        {
          "cvssV4_0": {
            "Automatable": "YES",
            "Recovery": "AUTOMATIC",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "CONCENTRATED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "MODERATE"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "573 - Improper Following of Specification by Caller",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-04-09T19:51:36.325Z",
        "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "shortName": "juniper"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://supportportal.juniper.net/JSA96452"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "The following software releases have been updated to resolve this specific issue: Junos OS: 21.4R3-S9, 22.2R3-S5, 22.4R3-S4, 23.2R2-S3, 23.4R2-S3, 24.2R1-S1, 24.2R2, 24.4R1, and all subsequent releases."
            }
          ],
          "value": "The following software releases have been updated to resolve this specific issue: Junos OS: 21.4R3-S9, 22.2R3-S5, 22.4R3-S4, 23.2R2-S3, 23.4R2-S3, 24.2R1-S1, 24.2R2, 24.4R1, and all subsequent releases."
        }
      ],
      "source": {
        "advisory": "JSA96452",
        "defect": [
          "1827265"
        ],
        "discovery": "USER"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2025-04-09T16:00:00.000Z",
          "value": "Initial Publication"
        }
      ],
      "title": "Junos OS: SRX and EX Series, MX240, MX480, MX960, QFX5120 Series: When web management is enabled for specific services an attacker may cause a CPU spike by sending genuine packets to the device",
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "There are no known workarounds for this issue.\u003cbr\u003e\u003cbr\u003eTo reduce the risk of exploitation use authentication when using web management services.\u003cbr\u003e"
            }
          ],
          "value": "There are no known workarounds for this issue.\n\nTo reduce the risk of exploitation use authentication when using web management services."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
    "assignerShortName": "juniper",
    "cveId": "CVE-2025-21601",
    "datePublished": "2025-04-09T19:51:36.325Z",
    "dateReserved": "2024-12-26T14:47:11.670Z",
    "dateUpdated": "2025-04-15T20:30:05.134Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-21601\",\"sourceIdentifier\":\"sirt@juniper.net\",\"published\":\"2025-04-09T20:15:26.350\",\"lastModified\":\"2025-04-15T21:15:54.560\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An Improper Following of Specification by Caller vulnerability in web management (J-Web, Captive Portal, 802.1X, Juniper Secure Connect (JSC) of\u00a0Juniper Networks Junos OS on SRX Series, EX Series, MX240, MX480, MX960, QFX5120 Series, allows an\u00a0unauthenticated, network-based attacker, sending genuine traffic targeted to the device to cause the CPU to climb until the device becomes unresponsive. \\n\\nContinuous receipt of these packets will create a sustained Denial of Service (DoS) condition.\\n\\n\\n\\n\\nThis issue affects Junos OS:\u00a0\\n\\n\\n\\n  *  All versions before 21.4R3-S9,\\n  *  from 22.2 before 22.2R3-S5,\\n  *  from 22.4 before 22.4R3-S4,\\n  *  from 23.2 before 23.2R2-S3,\\n  *  from 23.4 before 23.4R2-S3,\\n  *  from 24.2 before 24.2R1-S1, 24.2R2.\\n\\n\\nAn indicator of compromise is to review the CPU % of the httpd process in the CLI:\\ne.g.\\n\u00a0\u00a0show system processes extensive | match httpd\u00a0 PID nobody \u00a0 \u00a0 \u00a0 52  \u00a0 0  \u00a0 20M\u00a0 \u00a0 191M select \u00a0 2 \u00a0 0:01 \u00a0 80.00% httpd{httpd} \u003c\u003c\u003c\u003c\u003c the percentage of httpd usage if high may be an indicator\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de seguimiento incorrecto de la especificaci\u00f3n por parte del llamador en la administraci\u00f3n web (J-Web, Captive Portal, 802.1X, Juniper Secure Connect (JSC) de Juniper Networks Junos OS en SRX Series, EX Series, MX240, MX480, MX960, QFX5120 Series) permite que un atacante no autenticado basado en la red env\u00ede tr\u00e1fico genuino dirigido al dispositivo para hacer que la CPU aumente su capacidad hasta que el dispositivo deje de responder. La recepci\u00f3n continua de estos paquetes crear\u00e1 una condici\u00f3n sostenida de denegaci\u00f3n de servicio (DoS). Este problema afecta a Junos OS: * Todas las versiones anteriores a 21.4R3-S9, * desde 22.2 hasta 22.2R3-S5, * desde 22.4 hasta 22.4R3-S4, * desde 23.2 hasta 23.2R2-S3, * desde 23.4 hasta 23.4R2-S3, * desde 24.2 Antes de 24.2R1-S1, 24.2R2. Un indicador de vulnerabilidad es revisar el porcentaje de CPU del proceso httpd en la CLI: p. ej., \\\"show system projects intensive | match httpd PID nobody 52 0 20M 191M select 2 0:01 80.00% httpd{httpd} \u0026lt;\u0026lt;\u0026lt;\u0026lt;\u0026lt; el porcentaje de uso de httpd, si es alto, puede ser un indicador\\\". \"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:C/RE:M/U:Amber\",\"baseScore\":8.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"LOW\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"YES\",\"Recovery\":\"AUTOMATIC\",\"valueDensity\":\"CONCENTRATED\",\"vulnerabilityResponseEffort\":\"MODERATE\",\"providerUrgency\":\"AMBER\"}}],\"cvssMetricV31\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-573\"}]}],\"references\":[{\"url\":\"https://supportportal.juniper.net/JSA96452\",\"source\":\"sirt@juniper.net\"}]}}"
  }
}