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EUVD-2021-20414

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu

Vulnerability in SIMATIC devices allows denial of service via crafted packet to port 102/tcp.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CNNVD
Siemens SIAMTIC CP343-1 缓冲区错误漏洞
14 Sep 202100:00
cnnvd
CNVD
Siemens SIMATIC NET CP Module Denial of Service Vulnerability
15 Sep 202100:00
cnvd
CVE
CVE-2021-33737
14 Sep 202110:47
cve
Cvelist
CVE-2021-33737
14 Sep 202110:47
cvelist
ICS
Siemens SIMATIC NET CP Modules
14 Sep 202100:00
ics
NCSC
Vulnerabilities fixed in Siemens products.
14 Sep 202100:00
ncsc
NVD
CVE-2021-33737
14 Sep 202111:15
nvd
Prion
Design/Logic Flaw
14 Sep 202111:15
prion
Positive Technologies
PT-2021-20312 · Siemens · Simatic Cp 343-1 +6
14 Sep 202100:00
ptsecurity
RedhatCVE
CVE-2021-33737
9 Jan 202608:52
redhatcve
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "1fccd981-e3ef-3883-b3f0-172343a88333",
        "vendor": {
          "name": "Siemens"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "153aa485-5b49-35f9-b8aa-f95d49c56381",
        "product": {
          "name": "SIMATIC CP 443-1"
        },
        "product_version": "All versions < V3.3"
      },
      {
        "id": "4815e7e1-3358-38cd-bf43-0f1cfb191925",
        "product": {
          "name": "SIMATIC CP 343-1 Advanced (incl. SIPLUS variants)"
        },
        "product_version": "All versions"
      },
      {
        "id": "5684cbc4-7aef-3b30-84a5-f38b0a82fc72",
        "product": {
          "name": "SIMATIC CP 443-1 Advanced"
        },
        "product_version": "All versions < V3.3"
      },
      {
        "id": "698afd89-167d-3a06-9a6c-2340b9cfd8a4",
        "product": {
          "name": "SIMATIC CP 343-1 (incl. SIPLUS variants)"
        },
        "product_version": "All versions"
      },
      {
        "id": "7214e64b-a08b-3e9f-9415-656799c16b1c",
        "product": {
          "name": "SIPLUS NET CP 443-1 Advanced"
        },
        "product_version": "All versions < V3.3"
      },
      {
        "id": "bc062707-b358-330e-82da-8ae02bd198fe",
        "product": {
          "name": "SIMATIC CP 343-1 Lean (incl. SIPLUS variants)"
        },
        "product_version": "All versions"
      },
      {
        "id": "d1ce5cab-96d8-3ee2-ae55-d8e531c5b4a0",
        "product": {
          "name": "SIPLUS NET CP 443-1"
        },
        "product_version": "All versions < V3.3"
      },
      {
        "id": "fcbe723a-0b0e-385e-8a58-f138958c6228",
        "product": {
          "name": "SIMATIC CP 343-1 ERPC"
        },
        "product_version": "All versions"
      }
    ]
  }
]

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07 Oct 2025 00:30Current
7.5High risk
Vulners AI Score7.5
CVSS 3.17.5
CVSS 27.8
EPSS0.00153
0