CVE-2020-15783
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSiemens Sinumerik 840d Sl Firmware
PublishedNov 12, 2020
First seenNov 12, 2020
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens sinumerik_840d_sl_firmware | No range specified | — |
| siemens simatic_s7-300_cpu_312_firmware | No range specified | — |
| siemens simatic_s7-300_cpu_314_firmware | No range specified | — |
| siemens simatic_s7-300_cpu_315-2_dp_firmware | No range specified | — |
| siemens simatic_s7-300_cpu_315-2_pn_firmware | No range specified | — |
| siemens simatic_s7-300_cpu_317-2_pn_firmware | No range specified | — |
| siemens simatic_s7-300_cpu_317-2_dp_firmware | No range specified | — |
| siemens simatic_s7-300_cpu_315f-2_dp_firmware | No range specified | — |
| siemens simatic_s7-300_cpu_315f-2_pn_firmware | No range specified | — |
| siemens simatic_s7-300_cpu_317f-2_pn_firmware | No range specified | — |
| siemens simatic_s7-300_cpu_317f-2_dp_firmware | No range specified | — |
| siemens simatic_tdc_cpu555_firmware | No range specified | — |
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