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CVE-2021-22943

Estado: ModificadaCrítica (9.6)—

A vulnerability found in UniFi Protect application V1.18.1 and earlier permits a malicious actor who has already gained access to a network to subsequently control the Protect camera(s) assigned to said network. This vulnerability is fixed in UniFi Protect application V1.19.0 and later.

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)

UI — Unifi Protect

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-22943",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 8.3,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 9.6,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "UniFi Protect application",
          "versions": [
            {
              "status": "affected",
              "version": "Fixed on 1.19.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-31T17:15:07.767",
  "references": [
    {
      "url": "https://community.ui.com/releases/Security-Advisory-Bulletin-019-019/90a00abe-d6b6-43c6-92d4-0a0342f1506f",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://community.ui.com/releases/Security-Advisory-Bulletin-019-019/90a00abe-d6b6-43c6-92d4-0a0342f1506f",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "support@hackerone.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability found in UniFi Protect application V1.18.1 and earlier permits a malicious actor who has already gained access to a network to subsequently control the Protect camera(s) assigned to said network. This vulnerability is fixed in UniFi Protect application V1.19.0 and later."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad encontrada en la aplicación UniFi Protect versiones V1.18.1 y anteriores, permite a un actor malicioso que ya ha conseguido acceso a una red controlar posteriormente la(s) cámara(s) Protect asignada(s) a dicha red. Esta vulnerabilidad es corregida en la aplicación UniFi Protect versiones V1.19.0 y posteriores"
    }
  ],
  "lastModified": "2026-06-17T03:38:04.620",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ui:unifi_protect:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AFD411A3-5CDD-4AA9-BED2-A5FC1AEC68DD",
              "versionEndExcluding": "1.19.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "support@hackerone.com"
}