A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service.
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Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.
No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| siemens | sinumerik_840d_sl_firmware | - | - |
| siemens | simatic_s7-300_cpu_312_firmware | - | - |
| siemens | simatic_s7-300_cpu_314_firmware |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
12
Affected Products
2
References
siemens / sinumerik_840d_sl_firmware
| - |
| - |
| siemens | simatic_s7-300_cpu_315-2_dp_firmware | - | - |
| siemens | simatic_s7-300_cpu_315-2_pn_firmware | - | - |
| siemens | simatic_s7-300_cpu_317-2_pn_firmware | - | - |
| siemens | simatic_s7-300_cpu_317-2_dp_firmware | - | - |
| siemens | simatic_s7-300_cpu_315f-2_dp_firmware | - | - |
| siemens | simatic_s7-300_cpu_315f-2_pn_firmware | - | - |
| siemens | simatic_s7-300_cpu_317f-2_pn_firmware | - | - |
| siemens | simatic_s7-300_cpu_317f-2_dp_firmware | - | - |
| siemens | simatic_tdc_cpu555_firmware | - | - |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability
Impact