NVD

CVE-2023-52891 Detail

Not Scheduled

This CVE record is not being prioritized for NVD enrichment efforts due to resource or other concerns.

Description

A vulnerability has been identified in SIMATIC Energy Manager Basic (All versions < V7.5), SIMATIC Energy Manager PRO (All versions < V7.5), SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions), SIMIT V10 (All versions), SIMIT V11 (All versions < V11.1). Unified Automation .NET based OPC UA Server SDK before 3.2.2 used in Siemens products are affected by a similar vulnerability as documented in CVE-2023-27321 for the OPC Foundation UA .NET Standard implementation. A successful attack may lead to high load situation and memory exhaustion, and may block the server.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

Nist CVSS score does not match with CNA score

CNA: Siemens AG

Base Score: 5.3 MEDIUM

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://cert-portal.siemens.com/productcert/html/ssa-088132.html	CVE, Siemens AG

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-1325	Improperly Controlled Sequential Memory Allocation	Siemens AG

Change History

4 change records found show changes

CVE Modified by CISA-ADP 6/17/2026 2:43:52 AM

Action

Type

Old Value

New Value

Added

Affected

[{"vendor":"siemens","product":"simatic_energy_manager_basic","defaultStatus":"unknown","cpes":["cpe:2.3:a:siemens:simatic_energy_manager_basic:*:*:*:*:*:*:*:*"],"versions":[{"version":"0","lessThan":"V7.5","versionType":"custom","status":"affected"}]},{"vendor":"siemens","product":"simatic_energy_manager_pro","defaultStatus":"unknown","cpes":["cpe:2.3:a:siemens:simatic_energy_manager_pro:*:*:*:*:*:*:*:*"],"versions":[{"version":"0","lessThan":"V7.5","versionType":"custom","status":"affected"}]},{"vendor":"siemens","product":"simatic_ipc_diagbase","defaultStatus":"unknown","cpes":["cpe:2.3:h:siemens:simatic_ipc_diagbase:-:*:*:*:*:*:*:*"],"versions":[{"version":"0","lessThanOrEqual":"*","versionType":"custom","status":"affected"}]},{"vendor":"siemens","product":"simatic_ipc_diagmonitor","defaultStatus":"unknown","cpes":["cpe:2.3:h:siemens:simatic_ipc_diagmonitor:-:*:*:*:*:*:*:*"],"versions":[{"version":"0","lessThanOrEqual":"*","versionType":"custom","status":"affected"}]},{"vendor":"siemens","product":"simit_v10","defaultStatus":"unknown","cpes":["cpe:2.3:a:siemens:simit_v10:*:*:*:*:*:*:*:*"],"versions":[{"version":"0","lessThanOrEqual":"*","versionType":"custom","status":"affected"}]},{"vendor":"siemens","product":"simit_v11","defaultStatus":"unknown","cpes":["cpe:2.3:a:siemens:simit_v11:*:*:*:*:*:*:*:*"],"versions":[{"version":"0","lessThan":"V11.1","versionType":"custom","status":"affected"}]}]

Added

SSVC

{"timestamp":"2024-07-09T13:26:14.481281Z","id":"CVE-2023-52891","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

New CVE Received from Siemens AG 7/09/2024 8:15:11 AM

Action	Type	New Value
Added	Description	A vulnerability has been identified in SIMATIC Energy Manager Basic (All versions < V7.5), SIMATIC Energy Manager PRO (All versions < V7.5), SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions), SIMIT V10 (All versions), SIMIT V11 (All versions < V11.1). Unified Automation .NET based OPC UA Server SDK before 3.2.2 used in Siemens products are affected by a similar vulnerability as documented in CVE-2023-27321 for the OPC Foundation UA .NET Standard implementation. A successful attack may lead to high load situation and memory exhaustion, and may block the server.
Added	CVSS V3.1	Siemens AG AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Added	CWE	Siemens AG CWE-1325
Added	Reference	Siemens AG https://cert-portal.siemens.com/productcert/html/ssa-088132.html [No types assigned]

Quick Info

CVE Dictionary Entry:
CVE-2023-52891
NVD Published Date:
07/09/2024
NVD Last Modified:
06/17/2026
Source:
Siemens AG

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2023-52891 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Change History

CVE Modified by CISA-ADP 6/17/2026 2:43:52 AM

CVE Modified by Siemens AG 6/17/2026 2:43:52 AM

CVE Modified by CVE 11/21/2024 3:40:48 AM

New CVE Received from Siemens AG 7/09/2024 8:15:11 AM

Quick Info