{
  "id": "cve-2023-41991",
  "cveID": "CVE-2023-41991",
  "vendor": "Apple",
  "product": "Multiple Products",
  "vulnerabilityName": "Apple Multiple Products Improper Certificate Validation Vulnerability",
  "shortDescription": "Apple iOS, iPadOS, macOS, and watchOS contain an improper certificate validation vulnerability that can allow a malicious app to bypass signature validation.",
  "requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2023-09-25",
  "dueDate": "2023-10-16",
  "knownRansomware": false,
  "cwes": [
    "CWE-295"
  ],
  "notes": "https://support.apple.com/en-us/HT213926, https://support.apple.com/en-us/HT213927, https://support.apple.com/en-us/HT213928, https://support.apple.com/en-us/HT213929, https://support.apple.com/en-us/HT213931 ;  https://nvd.nist.gov/vuln/detail/CVE-2023-41991",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-41991"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "support.apple.com",
      "url": "https://support.apple.com/en-us/HT213926"
    },
    {
      "label": "support.apple.com",
      "url": "https://support.apple.com/en-us/HT213927"
    },
    {
      "label": "support.apple.com",
      "url": "https://support.apple.com/en-us/HT213928"
    },
    {
      "label": "support.apple.com",
      "url": "https://support.apple.com/en-us/HT213929"
    },
    {
      "label": "support.apple.com",
      "url": "https://support.apple.com/en-us/HT213931"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-41991"
    }
  ],
  "cvss": {
    "score": 5.5,
    "severity": "MEDIUM",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
  },
  "epss": {
    "score": 0.04547,
    "percentile": 0.91009
  },
  "timeline": [
    {
      "date": "2023-09-25",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2023-10-16",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}