{
  "id": "CVE-2021-22948",
  "sourceIdentifier": "support@hackerone.com",
  "published": "2021-09-23T13:15:08.760",
  "lastModified": "2023-06-30T17:50:34.397",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the generation of session IDs in revive-adserver < 5.3.0, based on the cryptographically insecure uniqid() PHP function. Under some circumstances, an attacker could theoretically be able to brute force session IDs in order to take over a specific account."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la generaci\u00f3n de IDs de sesi\u00f3n en revive-adserver versiones anteriores a 5.3.0, basada en la funci\u00f3n PHP uniqid() criptogr\u00e1ficamente no segura. Bajo algunas circunstancias, un atacante podr\u00eda te\u00f3ricamente ser capaz de forzar los ID de sesi\u00f3n para hacerse con una cuenta espec\u00edfica"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 7.1,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 4.2
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-338"
        }
      ]
    },
    {
      "source": "support@hackerone.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "5.3.0",
              "matchCriteriaId": "83BEB88E-698A-452B-8523-F8FB093C7AE6"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:revive-adserver:revive_adserver:5.3.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "842527A6-A5A8-4FBA-A52C-51F19EFA2B6B"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://hackerone.com/reports/1187820",
      "source": "support@hackerone.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.revive-adserver.com/security/revive-sa-2021-005/",
      "source": "support@hackerone.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}