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CVE-2021-42786

Estado: ModificadaCrítica (9.8)—

It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent (DSA) has Remote Code Execution vulnerabilities in multiple instances of the API requests. The affected endpoints do not have any input validation of the user's input that allowed a malicious payload to be injected.

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 (1)

Riverbed — Steelcentral Appinternals Dynamic Sampling Agent

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-42786",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve_disclosure@tech.gov.sg",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve_disclosure@tech.gov.sg",
      "affectedData": [
        {
          "vendor": "Aternity",
          "product": "SteelCentral AppInternals Dynamic Sampling Agent",
          "versions": [
            {
              "status": "affected",
              "version": "10.x"
            },
            {
              "status": "affected",
              "version": "12.13.0",
              "lessThan": "12.13.0",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "11.8.8",
              "lessThan": "11.8.8",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-03-10T17:44:05.287",
  "references": [
    {
      "url": "https://aternity.force.com/customersuccess/s/article/Remote-Code-Execution-at-AgentControllerServlet-CVE-2021-42786",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve_disclosure@tech.gov.sg"
    },
    {
      "url": "https://aternity.force.com/customersuccess/s/article/Remote-Code-Execution-at-AgentControllerServlet-CVE-2021-42786",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve_disclosure@tech.gov.sg",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent (DSA) has Remote Code Execution vulnerabilities in multiple instances of the API requests. The affected endpoints do not have any input validation of the user's input that allowed a malicious payload to be injected."
    },
    {
      "lang": "es",
      "value": "Se ha detectado que el agente de muestreo dinámico (DSA) de SteelCentral AppInternals presenta vulnerabilidades de ejecución de código remota en varias instancias de las peticiones de la API. Los puntos finales afectados no comprueban la entrada del usuario, lo que permite inyectar una carga útil maliciosa"
    }
  ],
  "lastModified": "2026-06-17T04:10:08.763",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FA9EBF00-4071-41C0-B05A-D942ACAB5F1A",
              "versionEndExcluding": "11.8.8",
              "versionStartIncluding": "11.0.0"
            },
            {
              "criteria": "cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "021DA9F8-778D-485D-9F4C-395A44F1DFC7",
              "versionEndExcluding": "12.13.0",
              "versionStartIncluding": "12.0.0"
            },
            {
              "criteria": "cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:10.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B0564060-A159-41DD-B5F0-C7212F1891E0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve_disclosure@tech.gov.sg"
}