WID-SEC-W-2026-1474

Vulnerability from csaf_certbund - Published: 2026-05-11 22:00 - Updated: 2026-05-11 22:00
Summary
Siemens SIMATIC S7 PLCs Web Server: Mehrere Schwachstellen ermöglichen Cross-Site Scripting
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Die SIMATIC S7 ist eine Serie von SPS (Speicherprogrammierbare Steuerungen) für Automatisierungsanwendungen.
Angriff: Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Siemens SIMATIC S7 PLCs Web Server ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen.
Betroffene Betriebssysteme: - Hardware Appliance
CVE-2026-25786
Affected products
Product Identifier Version Remediation
Siemens SIMATIC S7 1500 CPU <V2.9.9
Siemens / SIMATIC S7
 1500 CPU <V2.9.9
Siemens SIMATIC S7 1500 Software Controller
Siemens / SIMATIC S7
 cpe:/h:siemens:simatic_s7:1500_software_controller 1500 Software Controller
Siemens SIMATIC S7 Drive Controller <V3.1.6
Siemens / SIMATIC S7
 Drive Controller <V3.1.6
CVE-2026-25787
Affected products
Product Identifier Version Remediation
Siemens SIMATIC S7 1500 CPU <V2.9.9
Siemens / SIMATIC S7
 1500 CPU <V2.9.9
Siemens SIMATIC S7 1500 Software Controller
Siemens / SIMATIC S7
 cpe:/h:siemens:simatic_s7:1500_software_controller 1500 Software Controller
Siemens SIMATIC S7 Drive Controller <V3.1.6
Siemens / SIMATIC S7
 Drive Controller <V3.1.6
CVE-2026-25789
Affected products
Product Identifier Version Remediation
Siemens SIMATIC S7 1500 CPU <V2.9.9
Siemens / SIMATIC S7
 1500 CPU <V2.9.9
Siemens SIMATIC S7 1500 Software Controller
Siemens / SIMATIC S7
 cpe:/h:siemens:simatic_s7:1500_software_controller 1500 Software Controller
Siemens SIMATIC S7 Drive Controller <V3.1.6
Siemens / SIMATIC S7
 Drive Controller <V3.1.6
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Die SIMATIC S7 ist eine Serie von SPS (Speicherprogrammierbare Steuerungen) f\u00fcr Automatisierungsanwendungen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Siemens SIMATIC S7 PLCs Web Server ausnutzen, um einen Cross-Site Scripting Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Hardware Appliance",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-1474 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1474.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-1474 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1474"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory vom 2026-05-11",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-688146.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Siemens SIMATIC S7 PLCs Web Server: Mehrere Schwachstellen erm\u00f6glichen Cross-Site Scripting",
    "tracking": {
      "current_release_date": "2026-05-11T22:00:00.000+00:00",
      "generator": {
        "date": "2026-05-12T11:40:53.931+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-1474",
      "initial_release_date": "2026-05-11T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-05-11T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "Drive Controller \u003cV3.1.6",
                "product": {
                  "name": "Siemens SIMATIC S7 Drive Controller \u003cV3.1.6",
                  "product_id": "T053841"
                }
              },
              {
                "category": "product_version",
                "name": "Drive Controller V3.1.6",
                "product": {
                  "name": "Siemens SIMATIC S7 Drive Controller V3.1.6",
                  "product_id": "T053841-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:siemens:simatic_s7:drive_controller__v3.1.6"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "1500 Software Controller",
                "product": {
                  "name": "Siemens SIMATIC S7 1500 Software Controller",
                  "product_id": "T053843",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:siemens:simatic_s7:1500_software_controller"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "1500 CPU \u003cV2.9.9",
                "product": {
                  "name": "Siemens SIMATIC S7 1500 CPU \u003cV2.9.9",
                  "product_id": "T053844"
                }
              },
              {
                "category": "product_version",
                "name": "1500 CPU V2.9.9",
                "product": {
                  "name": "Siemens SIMATIC S7 1500 CPU V2.9.9",
                  "product_id": "T053844-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:siemens:simatic_s7:1500_cpu__v2.9.9"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC S7"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-25786",
      "product_status": {
        "known_affected": [
          "T053844",
          "T053843",
          "T053841"
        ]
      },
      "release_date": "2026-05-11T22:00:00.000+00:00",
      "title": "CVE-2026-25786"
    },
    {
      "cve": "CVE-2026-25787",
      "product_status": {
        "known_affected": [
          "T053844",
          "T053843",
          "T053841"
        ]
      },
      "release_date": "2026-05-11T22:00:00.000+00:00",
      "title": "CVE-2026-25787"
    },
    {
      "cve": "CVE-2026-25789",
      "product_status": {
        "known_affected": [
          "T053844",
          "T053843",
          "T053841"
        ]
      },
      "release_date": "2026-05-11T22:00:00.000+00:00",
      "title": "CVE-2026-25789"
    }
  ]
}


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