Details of VAR-202509-0308

ID

VAR-202509-0308

CVE

CVE-2025-40798

TITLE

Siemens' SIMATIC PCS neo and User Management Component (UMC) Out-of-bounds read vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2025-015339

DESCRIPTION

A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions), User Management Component (UMC) (All versions < V2.15.1.3). Affected products contain a out-of-bounds read vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial of service condition. Siemens' SIMATIC PCS neo and User Management Component (UMC) Exists in an out-of-bounds read vulnerability.Service operation interruption (DoS) It may be in a state

Trust: 1.62

sources: NVD: CVE-2025-40798 // JVNDB: JVNDB-2025-015339

AFFECTED PRODUCTS

vendor:	siemens	model:	simatic pcs neo	scope:	eq	version:	4.1	Trust: 1.0
vendor:	siemens	model:	user management component	scope:	lt	version:	2.15.1.3	Trust: 1.0
vendor:	siemens	model:	simatic pcs neo	scope:	eq	version:	5.0	Trust: 1.0
vendor:	シーメンス	model:	simatic pcs neo	scope:	-	version:	-	Trust: 0.8
vendor:	シーメンス	model:	user management component	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2025-015339 // NVD: CVE-2025-40798

CVSS

SEVERITY

CVSSV2

CVSSV3

productcert@siemens.com:	CVE-2025-40798
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2025-015339
value:	HIGH
Trust: 0.8

productcert@siemens.com:	CVE-2025-40798
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2025-015339
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2025-015339 // NVD: CVE-2025-40798

PROBLEMTYPE DATA

problemtype:	CWE-125	Trust: 1.0
problemtype:	Out-of-bounds read (CWE-125) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2025-015339 // NVD: CVE-2025-40798

EXTERNAL IDS

db:	NVD	id:	CVE-2025-40798	Trust: 2.6
db:	SIEMENS	id:	SSA-722410	Trust: 1.8
db:	ICS CERT	id:	ICSA-25-254-07	Trust: 0.8
db:	JVN	id:	JVNVU95775509	Trust: 0.8
db:	JVNDB	id:	JVNDB-2025-015339	Trust: 0.8

sources: JVNDB: JVNDB-2025-015339 // NVD: CVE-2025-40798

REFERENCES

url:	https://cert-portal.siemens.com/productcert/html/ssa-722410.html	Trust: 1.8
url:	https://jvn.jp/vu/jvnvu95775509/	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2025-40798	Trust: 0.8
url:	https://www.cisa.gov/news-events/ics-advisories/icsa-25-254-07	Trust: 0.8

sources: JVNDB: JVNDB-2025-015339 // NVD: CVE-2025-40798

SOURCES

db:	JVNDB	id:	JVNDB-2025-015339
db:	NVD	id:	CVE-2025-40798

LAST UPDATE DATE

2025-10-14T23:12:22+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2025-015339	date:	2025-10-07T09:30:00
db:	NVD	id:	CVE-2025-40798	date:	2025-10-14T10:15:39.447

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2025-015339	date:	2025-10-07T00:00:00
db:	NVD	id:	CVE-2025-40798	date:	2025-09-09T09:15:38.160