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CVE-2023-52891

MEDIUM
5.3
CVSS Score
Published: July 9, 2024 at 12:04 PM UTC
Updated: June 17, 2026 at 06:43 AM UTC
6 products affected across 1 vendorSIMATIC IPC DiagMonitorSIMATIC IPC DiagBaseSIMATIC Energy Manager PRO

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SIMATIC IPC DiagMonitor· Siemens
95%
All versions
SIMATIC IPC DiagBase· Siemens
90%
All versions
SIMATIC Energy Manager· Siemens
60%
v < V7.5
Affected range stops below V7.5, so it looks safe — our inference, not a vendor statement
SIMATIC Energy Manager Basic· Siemens
60%
v < V7.5
Affected range stops below V7.5, so it looks safe — our inference, not a vendor statement
SIMATIC Energy Manager PRO· Siemens
60%
v < V7.5
Affected range stops below V7.5, so it looks safe — our inference, not a vendor statement
Simit· Siemens
60%
v < V11.1
Affected range stops below V11.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]
https://cert-portal.siemens.com/productcert/html/ssa-088132.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMsiemens
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1325

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