Vulnerability-Lookup

CNVD-2025-09488

Vulnerability from cnvd - Published: 2025-05-12

Title

Siemens OpenV2G缓冲区溢出漏洞

Description

Siemens OpenV2G是德国西门子（Siemens）公司的一种V2G基础设施组件的开源实现。 Siemens OpenV2G存在缓冲区溢出漏洞。该漏洞是由于OpenV2G EXI解析功能在解析X509序列号时缺少长度检查。攻击者可利用发漏洞导致内存破坏。

Severity

中

Patch Name

Siemens OpenV2G缓冲区溢出漏洞的补丁

Patch Description

Siemens OpenV2G是德国西门子（Siemens）公司的一种V2G基础设施组件的开源实现。 Siemens OpenV2G存在缓冲区溢出漏洞。该漏洞是由于OpenV2G EXI解析功能在解析X509序列号时缺少长度检查。攻击者可利用发漏洞导致内存破坏。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已提供漏洞修复方案，请关注厂商主页更新： https://siemens.com

Reference

https://cert-portal.siemens.com/productcert/html/ssa-647005.html

Impacted products

Name
Siemens OpenV2G <0.9.6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-24956",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-24956"
    }
  },
  "description": "Siemens OpenV2G\u662f\u5fb7\u56fd\u897f\u95e8\u5b50\uff08Siemens\uff09\u516c\u53f8\u7684\u4e00\u79cdV2G\u57fa\u7840\u8bbe\u65bd\u7ec4\u4ef6\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\n\nSiemens OpenV2G\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8eOpenV2G EXI\u89e3\u6790\u529f\u80fd\u5728\u89e3\u6790X509\u5e8f\u5217\u53f7\u65f6\u7f3a\u5c11\u957f\u5ea6\u68c0\u67e5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u53d1\u6f0f\u6d1e\u5bfc\u81f4\u5185\u5b58\u7834\u574f\u3002",
  "formalWay": "\u5382\u5546\u5df2\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://siemens.com",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-09488",
  "openTime": "2025-05-12",
  "patchDescription": "Siemens OpenV2G\u662f\u5fb7\u56fd\u897f\u95e8\u5b50\uff08Siemens\uff09\u516c\u53f8\u7684\u4e00\u79cdV2G\u57fa\u7840\u8bbe\u65bd\u7ec4\u4ef6\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\r\n\r\nSiemens OpenV2G\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8eOpenV2G EXI\u89e3\u6790\u529f\u80fd\u5728\u89e3\u6790X509\u5e8f\u5217\u53f7\u65f6\u7f3a\u5c11\u957f\u5ea6\u68c0\u67e5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u53d1\u6f0f\u6d1e\u5bfc\u81f4\u5185\u5b58\u7834\u574f\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 OpenV2G\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Siemens OpenV2G \u003c0.9.6"
  },
  "referenceLink": "https://cert-portal.siemens.com/productcert/html/ssa-647005.html",
  "serverity": "\u4e2d",
  "submitTime": "2025-04-30",
  "title": "Siemens OpenV2G\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2025-24956 (GCVE-0-2025-24956)

Vulnerability from cvelistv5 – Published: 2025-02-11 10:29 – Updated: 2025-02-12 20:51

Summary

A vulnerability has been identified in OpenV2G (All versions < V0.9.6). The OpenV2G EXI parsing feature is missing a length check when parsing X509 serial numbers. Thus, an attacker could introduce a buffer overflow that leads to memory corruption.

Severity

6.2 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

6.9 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-11 15:04 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

siemens icscert root

References

1 reference

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

Impacted products

1 product

Vendor	Product	Version
Siemens	OpenV2G	Affected: 0 , < V0.9.6 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-24956",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-11T15:04:38.166082Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-12T20:51:43.499Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "OpenV2G",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V0.9.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in OpenV2G (All versions \u003c V0.9.6). The OpenV2G EXI parsing feature is missing a length check when parsing X509 serial numbers. Thus, an attacker could introduce a buffer overflow that leads to memory corruption."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.2,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:L/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-120",
              "description": "CWE-120: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-02-11T10:29:18.342Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/html/ssa-647005.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2025-24956",
    "datePublished": "2025-02-11T10:29:18.342Z",
    "dateReserved": "2025-01-29T11:11:04.381Z",
    "dateUpdated": "2025-02-12T20:51:43.499Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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.