{
  "id": "cve-2023-20109",
  "cveID": "CVE-2023-20109",
  "vendor": "Cisco",
  "product": "IOS and IOS XE",
  "vulnerabilityName": "Cisco IOS and IOS XE Group Encrypted Transport VPN Out-of-Bounds Write Vulnerability",
  "shortDescription": "Cisco IOS and IOS XE contain an out-of-bounds write vulnerability in the Group Encrypted Transport VPN (GET VPN) feature that could allow an authenticated, remote attacker who has administrative control of either a group member or a key server to execute malicious code or cause a device to crash.",
  "requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2023-10-10",
  "dueDate": "2023-10-31",
  "knownRansomware": false,
  "cwes": [
    "CWE-787"
  ],
  "notes": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-getvpn-rce-g8qR68sx;  https://nvd.nist.gov/vuln/detail/CVE-2023-20109",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20109"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "sec.cloudapps.cisco.com",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-getvpn-rce-g8qR68sx"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20109"
    }
  ],
  "cvss": {
    "score": 6.6,
    "severity": "MEDIUM",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"
  },
  "epss": {
    "score": 0.02344,
    "percentile": 0.82631
  },
  "timeline": [
    {
      "date": "2023-10-10",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2023-10-31",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}