{
  "id": "cve-2025-20352",
  "cveID": "CVE-2025-20352",
  "vendor": "Cisco",
  "product": "IOS and IOS XE",
  "vulnerabilityName": "Cisco IOS and IOS XE Software SNMP Denial of Service and Remote Code Execution Vulnerability",
  "shortDescription": "Cisco IOS and IOS XE contains a stack-based buffer overflow vulnerability in the Simple Network Management Protocol (SNMP) subsystem that could allow for denial of service or remote code execution. A successful exploit could allow a low-privileged attacker to cause the affected system to reload, resulting in a DoS condition, or allow a high-privileged attacker to execute arbitrary code as the root user and obtain full control of the affected system.",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2025-09-29",
  "dueDate": "2025-10-20",
  "knownRansomware": false,
  "cwes": [
    "CWE-121"
  ],
  "notes": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-x4LPhte ; https://nvd.nist.gov/vuln/detail/CVE-2025-20352",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-20352"
    },
    {
      "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-snmp-x4LPhte"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-20352"
    }
  ],
  "cvss": {
    "score": 7.7,
    "severity": "HIGH",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
  },
  "epss": {
    "score": 0.39447,
    "percentile": 0.98519
  },
  "timeline": [
    {
      "date": "2025-09-29",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2025-10-20",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}