Vulnerability-Lookup

CNVD-2026-17206

Vulnerability from cnvd - Published: 2026-04-14

Title

Siemens SICAM 8产品存在越界写入漏洞

Description

SICAM A8000 RTU（远程终端单元）是用于能源供应各领域远程控制和自动化应用的模块化设备。SICAM EGS（增强型电网传感器）是配电网地方变电站的网关。SICAM S8000提供RTU功能、PLC和通信协议，可作为软件方案安装在第三方硬件上，适用于能源供应的各个领域。 Siemens SICAM 8产品存在越界写入漏洞，攻击者可利用漏洞导致服务崩溃。

Severity

低

Patch Name

Siemens SICAM 8产品存在越界写入漏洞的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://cert-portal.siemens.com/productcert/html/ssa-246443.html

Reference

https://cert-portal.siemens.com/productcert/html/ssa-246443.html

Impacted products

Name
['Siemens CPCI85 Central Processing/Communication <26.10', 'Siemens SICORE Base system <V26.10.0']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-27664",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-27664"
    }
  },
  "description": "SICAM A8000 RTU\uff08\u8fdc\u7a0b\u7ec8\u7aef\u5355\u5143\uff09\u662f\u7528\u4e8e\u80fd\u6e90\u4f9b\u5e94\u5404\u9886\u57df\u8fdc\u7a0b\u63a7\u5236\u548c\u81ea\u52a8\u5316\u5e94\u7528\u7684\u6a21\u5757\u5316\u8bbe\u5907\u3002SICAM EGS\uff08\u589e\u5f3a\u578b\u7535\u7f51\u4f20\u611f\u5668\uff09\u662f\u914d\u7535\u7f51\u5730\u65b9\u53d8\u7535\u7ad9\u7684\u7f51\u5173\u3002SICAM S8000\u63d0\u4f9bRTU\u529f\u80fd\u3001PLC\u548c\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4f5c\u4e3a\u8f6f\u4ef6\u65b9\u6848\u5b89\u88c5\u5728\u7b2c\u4e09\u65b9\u786c\u4ef6\u4e0a\uff0c\u9002\u7528\u4e8e\u80fd\u6e90\u4f9b\u5e94\u7684\u5404\u4e2a\u9886\u57df\u3002\n\nSiemens SICAM 8\u4ea7\u54c1\u5b58\u5728\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4\u670d\u52a1\u5d29\u6e83\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://cert-portal.siemens.com/productcert/html/ssa-246443.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-17206",
  "openTime": "2026-04-14",
  "patchDescription": "SICAM A8000 RTU\uff08\u8fdc\u7a0b\u7ec8\u7aef\u5355\u5143\uff09\u662f\u7528\u4e8e\u80fd\u6e90\u4f9b\u5e94\u5404\u9886\u57df\u8fdc\u7a0b\u63a7\u5236\u548c\u81ea\u52a8\u5316\u5e94\u7528\u7684\u6a21\u5757\u5316\u8bbe\u5907\u3002SICAM EGS\uff08\u589e\u5f3a\u578b\u7535\u7f51\u4f20\u611f\u5668\uff09\u662f\u914d\u7535\u7f51\u5730\u65b9\u53d8\u7535\u7ad9\u7684\u7f51\u5173\u3002SICAM S8000\u63d0\u4f9bRTU\u529f\u80fd\u3001PLC\u548c\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4f5c\u4e3a\u8f6f\u4ef6\u65b9\u6848\u5b89\u88c5\u5728\u7b2c\u4e09\u65b9\u786c\u4ef6\u4e0a\uff0c\u9002\u7528\u4e8e\u80fd\u6e90\u4f9b\u5e94\u7684\u5404\u4e2a\u9886\u57df\u3002\r\n\r\nSiemens SICAM 8\u4ea7\u54c1\u5b58\u5728\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4\u670d\u52a1\u5d29\u6e83\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Siemens SICAM 8\u4ea7\u54c1\u5b58\u5728\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Siemens CPCI85 Central Processing/Communication \u003c26.10",
      "Siemens SICORE Base system \u003cV26.10.0"
    ]
  },
  "referenceLink": "https://cert-portal.siemens.com/productcert/html/ssa-246443.html",
  "serverity": "\u4f4e",
  "submitTime": "2026-03-31",
  "title": "Siemens SICAM 8\u4ea7\u54c1\u5b58\u5728\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e"
}

CVE-2026-27664 (GCVE-0-2026-27664)

Vulnerability from cvelistv5 – Published: 2026-03-26 14:03 – Updated: 2026-04-14 18:24

Summary

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.10), SICORE Base system (All versions < V26.10.0). The affected application contains an out-of-bounds write vulnerability while parsing specially crafted XML inputs. This could allow an unauthenticated attacker to exploit this issue by sending a malicious XML request, which may cause the service to crash, resulting in a denial-of-service condition.

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CWE

CWE-787 - Out-of-bounds Write

Assigner

siemens

References

URL

Tags

https://cert-portal.siemens.com/productcert/html/…

Impacted products

Vendor

Product

Version

Siemens

CPCI85 Central Processing/Communication

Affected: 0 , < V26.10 (custom)

Siemens

SICORE Base system

Affected: 0 , < V26.10.0 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-27664",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-26T17:50:28.782194Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-26T18:24:41.814Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2026-04-14T18:24:39.273Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://seclists.org/fulldisclosure/2026/Apr/7"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "CPCI85 Central Processing/Communication",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V26.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SICORE Base system",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V26.10.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions \u003c V26.10), SICORE Base system (All versions \u003c V26.10.0). The affected application contains an out-of-bounds write vulnerability while parsing specially crafted XML inputs. This could allow an unauthenticated attacker to exploit this issue by sending a malicious XML request, which may cause the service to crash, resulting in a denial-of-service condition."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787: Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-26T14:03:21.993Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/html/ssa-246443.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2026-27664",
    "datePublished": "2026-03-26T14:03:21.993Z",
    "dateReserved": "2026-02-23T10:07:00.531Z",
    "dateUpdated": "2026-04-14T18:24:39.273Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2026-17206

CVE-2026-27664 (GCVE-0-2026-27664)

Tags

Sightings

Nomenclature