Vulnerability-Lookup

CNVD-2026-29400

Vulnerability from cnvd - Published: 2026-07-29

Title

Siemens SICAM 8产品日志信息泄露漏洞

Description

Siemens CPCI85 Central Processing/Communication是德国Siemens公司的一款中央处理及通信设备。Siemens SICORE Base system是SICAM 8‌电力自动化平台的核心基础软件组件，专为变电站自动化应用设计。 Siemens SICAM 8产品日存在志信息泄露漏洞，攻击者可利用该漏洞安装恶意固件，从而执行持久代码并破坏系统。

Severity

中

Patch Name

Siemens SICAM 8产品日志信息泄露漏洞的补丁

Patch Description

Formal description

用户可参考如下供应商提供的安全公告获得补丁信息： https://cert-portal.siemens.com/productcert/html/ssa-229470.html

Reference

https://cert-portal.siemens.com/productcert/html/ssa-229470.html

Impacted products

Name
['Siemens CPCI85 Central Processing/Communication <V26.20', 'Siemens SICORE Base system <V26.20.0']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-54799"
    }
  },
  "description": "Siemens CPCI85 Central Processing/Communication\u662f\u5fb7\u56fdSiemens\u516c\u53f8\u7684\u4e00\u6b3e\u4e2d\u592e\u5904\u7406\u53ca\u901a\u4fe1\u8bbe\u5907\u3002Siemens SICORE Base system\u662fSICAM 8\u200c\u7535\u529b\u81ea\u52a8\u5316\u5e73\u53f0\u7684\u6838\u5fc3\u57fa\u7840\u8f6f\u4ef6\u7ec4\u4ef6\uff0c\u4e13\u4e3a\u53d8\u7535\u7ad9\u81ea\u52a8\u5316\u5e94\u7528\u8bbe\u8ba1\u3002 \n\nSiemens SICAM 8\u4ea7\u54c1\u65e5\u5b58\u5728\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b89\u88c5\u6076\u610f\u56fa\u4ef6\uff0c\u4ece\u800c\u6267\u884c\u6301\u4e45\u4ee3\u7801\u5e76\u7834\u574f\u7cfb\u7edf\u3002",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://cert-portal.siemens.com/productcert/html/ssa-229470.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-29400",
  "openTime": "2026-07-29",
  "patchDescription": "Siemens CPCI85 Central Processing/Communication\u662f\u5fb7\u56fdSiemens\u516c\u53f8\u7684\u4e00\u6b3e\u4e2d\u592e\u5904\u7406\u53ca\u901a\u4fe1\u8bbe\u5907\u3002Siemens SICORE Base system\u662fSICAM 8\u200c\u7535\u529b\u81ea\u52a8\u5316\u5e73\u53f0\u7684\u6838\u5fc3\u57fa\u7840\u8f6f\u4ef6\u7ec4\u4ef6\uff0c\u4e13\u4e3a\u53d8\u7535\u7ad9\u81ea\u52a8\u5316\u5e94\u7528\u8bbe\u8ba1\u3002 \r\n\r\nSiemens SICAM 8\u4ea7\u54c1\u65e5\u5b58\u5728\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b89\u88c5\u6076\u610f\u56fa\u4ef6\uff0c\u4ece\u800c\u6267\u884c\u6301\u4e45\u4ee3\u7801\u5e76\u7834\u574f\u7cfb\u7edf\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\u65e5\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Siemens CPCI85 Central Processing/Communication \u003cV26.20",
      "Siemens SICORE Base system \u003cV26.20.0"
    ]
  },
  "referenceLink": "https://cert-portal.siemens.com/productcert/html/ssa-229470.html",
  "serverity": "\u4e2d",
  "submitTime": "2026-07-15",
  "title": "Siemens SICAM 8\u4ea7\u54c1\u65e5\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2026-54799 (GCVE-0-2026-54799)

Vulnerability from cvelistv5 – Published: 2026-07-09 14:15 – Updated: 2026-07-09 14:46

Summary

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application contains a vulnerability in its firmware update mechanism's signature validation process. This could allow an attacker to install malicious firmware, leading to persistent code execution and system compromise.

Severity

6.7 (Medium)


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

8.4 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-489 - Active Debug Code

Assigner

siemens

References

1 reference

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

Impacted products

2 products

Vendor	Product	Version
Siemens	CPCI85 Central Processing/Communication	Affected: 0 , < V26.20 (custom)
Siemens	SICORE Base system	Affected: 0 , < V26.20.0 (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-54799",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-09T14:46:32.476491Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-09T14:46:38.615Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "CPCI85 Central Processing/Communication",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V26.20",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SICORE Base system",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V26.20.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions \u003c V26.20), SICORE Base system (All versions \u003c V26.20.0). The affected application contains a vulnerability in its firmware update mechanism\u0027s signature validation process. This could allow an attacker to install malicious firmware, leading to persistent code execution and system compromise."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        {
          "cvssV4_0": {
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-489",
              "description": "CWE-489: Active Debug Code",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-09T14:15:52.247Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/html/ssa-229470.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2026-54799",
    "datePublished": "2026-07-09T14:15:52.247Z",
    "dateReserved": "2026-06-16T07:47:12.273Z",
    "dateUpdated": "2026-07-09T14:46:38.615Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CNVD-2026-29400

CVE-2026-54799 (GCVE-0-2026-54799)

Tags

Sightings

Nomenclature