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FKIE_CVE-2016-8562

Vulnerability from fkie_nvd - Published: 2016-11-18 21:59 - Updated: 2026-06-17 00:54
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
cve@mitre.orghttp://www.securityfocus.com/bid/94436Broken Link, Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdfBroken Link, Patch, Vendor Advisory
cve@mitre.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdfVendor Advisory
cve@mitre.orghttps://ics-cert.us-cert.gov/advisories/ICSA-16-327-01Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/94436Broken Link, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdfBroken Link, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdfVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01Third Party Advisory, US Government Resource
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-8562US Government Resource
Impacted products
Vendor Product Version
siemens simatic_cp_1543-1_firmware *
siemens simatic_cp_1543-1 -
siemens siplus_net_cp_1543-1_firmware *
siemens siplus_net_cp_1543-1 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cisaActionDue": "2022-03-24",
  "cisaExploitAdd": "2022-03-03",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "F8CCE837-13AF-47FB-B4C8-7720F0876229",
              "versionEndExcluding": "2.0.28",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
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              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:siemens:siplus_net_cp_1543-1_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DDDA7068-0640-4E8C-A917-DB41F6A9D66A",
              "versionEndExcluding": "2.0.28",
              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
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          ],
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        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in SIMATIC CP 1543-1 (All versions \u003c V2.0.28), SIPLUS NET CP 1543-1 (All versions \u003c 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."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en SIMATIC CP 1543-1 (Todas las versiones \u0026lt; V2.0.28), SIPLUS NET CP 1543-1 (Todas las versiones \u0026lt; V2.0.28). En condiciones especiales era posible escribir variables SNMP en el puerto 161/udp que deber\u00edan ser de s\u00f3lo lectura y s\u00f3lo deber\u00edan configurarse con TIA-Portal. Una escritura en estas variables podr\u00eda reducir la disponibilidad o causar una denegaci\u00f3n de servicio"
    }
  ],
  "id": "CVE-2016-8562",
  "lastModified": "2026-06-17T00:54:31.297",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 3.5,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 6.8,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
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          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2016-8562",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-04T20:57:31.096194Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2016-11-18T21:59:02.033",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory",
        "VDB Entry"
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      "url": "http://www.securityfocus.com/bid/94436"
    },
    {
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      "tags": [
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        "Vendor Advisory"
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    },
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    },
    {
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      ],
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    },
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      "tags": [
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    },
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    },
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    },
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      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-8562"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.