{
  "id": "CVE-2016-8562",
  "url": "https://spydr.io/cve/CVE-2016-8562",
  "published": "2016-11-18T21:59:02.033Z",
  "modified": "2026-06-17T00:54:31.297Z",
  "score": 7.5,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.0361,
  "epss_percentile": 0.8918,
  "exploited": true,
  "kev": {
    "added": "2022-03-03",
    "due": "2022-03-24",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2016-8562"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "siemens"
  ],
  "products": [
    "siemens simatic cp 1543-1 firmware",
    "siemens siplus net cp 1543-1 firmware"
  ],
  "cwes": [],
  "description": "A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.5,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/94436",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf",
      "tags": [
        "Broken Link",
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-8562",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2016-8562",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}