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ID

VAR-202502-0112


CVE

CVE-2025-24956


TITLE

Siemens OpenV2G Buffer Overflow Vulnerability

Trust: 0.6

sources: CNVD: CNVD-2025-09488

DESCRIPTION

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. Siemens OpenV2G is an open source implementation of a V2G infrastructure component of Siemens, Germany. Siemens OpenV2G has a buffer overflow vulnerability

Trust: 1.44

sources: NVD: CVE-2025-24956 // CNVD: CNVD-2025-09488

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-09488

AFFECTED PRODUCTS

vendor:siemensmodel:openv2gscope:ltversion:0.9.6

Trust: 0.6

sources: CNVD: CNVD-2025-09488

CVSS

SEVERITY

CVSSV2

CVSSV3

productcert@siemens.com: CVE-2025-24956
value: MEDIUM

Trust: 1.0

CNVD: CNVD-2025-09488
value: MEDIUM

Trust: 0.6

CNVD: CNVD-2025-09488
severity: MEDIUM
baseScore: 4.9
vectorString: AV:L/AC:L/AU:N/C:N/I:N/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

productcert@siemens.com: CVE-2025-24956
baseSeverity: MEDIUM
baseScore: 6.2
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.5
impactScore: 3.6
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2025-09488 // NVD: CVE-2025-24956

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

sources: NVD: CVE-2025-24956

PATCH

title:Patch for Siemens OpenV2G Buffer Overflow Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/687576

Trust: 0.6

sources: CNVD: CNVD-2025-09488

EXTERNAL IDS

db:NVDid:CVE-2025-24956

Trust: 1.6

db:SIEMENSid:SSA-647005

Trust: 1.6

db:CNVDid:CNVD-2025-09488

Trust: 0.6

sources: CNVD: CNVD-2025-09488 // NVD: CVE-2025-24956

REFERENCES

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

Trust: 1.6

sources: CNVD: CNVD-2025-09488 // NVD: CVE-2025-24956

SOURCES

db:CNVDid:CNVD-2025-09488
db:NVDid:CVE-2025-24956

LAST UPDATE DATE

2025-05-14T23:12:17.475000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-09488date:2025-05-13T00:00:00
db:NVDid:CVE-2025-24956date:2025-02-11T11:15:17.273

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-09488date:2025-05-12T00:00:00
db:NVDid:CVE-2025-24956date:2025-02-11T11:15:17.273