CVE-2023-48363

moderate-risk
Published 2024-02-13

A vulnerability has been identified in OpenPCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC BATCH V9.1 (All versions < V9.1 SP2 UC05), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC Route Control V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 4), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 15), SIMATIC WinCC V8.0 (All versions < V8.0 Update 4). The implementation of the RPC (Remote Procedure call) communication protocol in the affected products do not properly handle certain unorganized RPC messages. An attacker could use this vulnerability to cause a denial of service condition in the RPC server.

Do I need to act?

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0.09% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
ADJACENT_NETWORK / LOW complexity

Affected Products (9)

Openpcs 7
Simatic Batch
Simatic Route Control
Simatic Wincc Runtime Professional
Simatic Wincc Runtime Professional

Affected Vendors

Siemens

References (2)

Vendor Advisory https://cert-portal.siemens.com/productcert/html/ssa-753746.html
Vendor Advisory https://cert-portal.siemens.com/productcert/html/ssa-753746.html
36
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 15/34 · Moderate