CVE-2020-25242
High
Description
A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSiemens Simatic Net Cp 343-1 Advanced Firmware
PublishedMay 12, 2021
First seenMay 12, 2021
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 simatic_net_cp_343-1_advanced_firmware | No range specified | — |
| siemens simatic_net_cp_343-1_lean_firmware | No range specified | — |
| siemens simatic_net_cp_343-1_standard_firmware | No range specified | — |
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