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ID

VAR-202502-0112


CVE

CVE-2025-24956


TITLE

Siemens'  openv2g  Classic buffer overflow vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2025-014821

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 Exists in a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Siemens OpenV2G is an open source implementation of a V2G infrastructure component of Siemens, Germany. Siemens OpenV2G has a buffer overflow vulnerability

Trust: 2.16

sources: NVD: CVE-2025-24956 // JVNDB: JVNDB-2025-014821 // 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: 1.6

vendor:シーメンスmodel:openv2gscope:eqversion: -

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vendor:シーメンスmodel:openv2gscope:eqversion:0.9.6

Trust: 0.8

vendor:シーメンスmodel:openv2gscope: - version: -

Trust: 0.8

sources: CNVD: CNVD-2025-09488 // JVNDB: JVNDB-2025-014821 // NVD: CVE-2025-24956

CVSS

SEVERITY

CVSSV2

CVSSV3

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

Trust: 1.0

nvd@nist.gov: CVE-2025-24956
value: CRITICAL

Trust: 1.0

NVD: CVE-2025-24956
value: CRITICAL

Trust: 0.8

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

nvd@nist.gov: CVE-2025-24956
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2025-24956
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-09488 // JVNDB: JVNDB-2025-014821 // NVD: CVE-2025-24956 // NVD: CVE-2025-24956

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

problemtype:Classic buffer overflow (CWE-120) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2025-014821 // 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: 3.2

db:SIEMENSid:SSA-647005

Trust: 2.4

db:ICS CERTid:ICSA-25-044-08

Trust: 0.8

db:JVNid:JVNVU95962757

Trust: 0.8

db:JVNDBid:JVNDB-2025-014821

Trust: 0.8

db:CNVDid:CNVD-2025-09488

Trust: 0.6

sources: CNVD: CNVD-2025-09488 // JVNDB: JVNDB-2025-014821 // NVD: CVE-2025-24956

REFERENCES

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

Trust: 2.4

url:https://jvn.jp/vu/jvnvu95962757/

Trust: 0.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-24956

Trust: 0.8

url:https://www.cisa.gov/news-events/ics-advisories/icsa-25-044-08

Trust: 0.8

sources: CNVD: CNVD-2025-09488 // JVNDB: JVNDB-2025-014821 // NVD: CVE-2025-24956

SOURCES

db:CNVDid:CNVD-2025-09488
db:JVNDBid:JVNDB-2025-014821
db:NVDid:CVE-2025-24956

LAST UPDATE DATE

2025-10-02T22:41:56.451000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-09488date:2025-05-13T00:00:00
db:JVNDBid:JVNDB-2025-014821date:2025-10-01T05:38:00
db:NVDid:CVE-2025-24956date:2025-09-24T00:57:12.860

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-09488date:2025-05-12T00:00:00
db:JVNDBid:JVNDB-2025-014821date:2025-10-01T00:00:00
db:NVDid:CVE-2025-24956date:2025-02-11T11:15:17.273