CVE-2023-46156
HIGH
7.5
CVSS Score
Published: December 12, 2023 at 11:27 AM UTC
Updated: June 17, 2026 at 06:30 AM UTC
155 products affected across 1 vendorSiplus S7-1500 CPU 1518-4 Pn /dp MFP FirmwareSIMATIC S7-1500 CPU 1511-1 Pn FirmwareSIMATIC S7-1500 CPU 1515-2 Pn Firmware
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit
Description
Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a denial of service condition. A restart is needed to restore normal operations.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 3.1.0v < V3.1.0
Affected range stops below 3.1.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V3.1.0, so it looks safe — our inference, not a vendor statement
siemens-simatic-drive-controller-cpu-1504d-tf (same device)
v < 3.1.0v < V3.1.0
Affected range stops below 3.1.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V3.1.0, so it looks safe — our inference, not a vendor statement
siemens-simatic-drive-controller-cpu-1507d-tf (same device)
All versions
siemens-simatic-et-200sp-open-control-1515sp-pc2 (same device)
v < 3.1.0v < V3.1.0
Affected range stops below 3.1.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V3.1.0, so it looks safe — our inference, not a vendor statement
siemens-simatic-s7-1500-cpu-1510sp-1-pn (same device)
v < 3.1.0v < V3.1.0
Affected range stops below 3.1.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V3.1.0, so it looks safe — our inference, not a vendor statement
siemens-simatic-s7-1500-cpu-1510sp-f-1-pn (same device)
v < 3.1.0v < V3.1.0
Affected range stops below 3.1.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V3.1.0, so it looks safe — our inference, not a vendor statement
siemens-simatic-s7-1500-cpu-1511-1-pn (same device)
v < 3.1.0v < V3.1.0
Affected range stops below 3.1.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V3.1.0, so it looks safe — our inference, not a vendor statement
siemens-simatic-s7-1500-cpu-1511c-1-pn (same device)
v < 3.1.0v < V3.1.0
Affected range stops below 3.1.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V3.1.0, so it looks safe — our inference, not a vendor statement
siemens-simatic-s7-1500-cpu-1511f-1-pn (same device)
v < 3.1.0v < V3.1.0
Affected range stops below 3.1.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V3.1.0, so it looks safe — our inference, not a vendor statement
siemens-simatic-s7-1500-cpu-1511t-1-pn (same device)
v < 3.1.0v < V3.1.0
Affected range stops below 3.1.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V3.1.0, so it looks safe — our inference, not a vendor statement
siemens-simatic-s7-1500-cpu-1511tf-1-pn (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
Vendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-280603.pdfVendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-592380.pdfSSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHsiemens
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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