CVE-2020-7584
High
Description
A vulnerability has been identified in SIMATIC S7-200 SMART CPU family (All versions >= V2.2 < V2.5.1). Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSiemens Simatic S7-200 Smart Sr Cpu Firmware
PublishedJul 14, 2020
First seenJul 14, 2020
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- siemens simatic_s7-200_smart_sr_cpu_firmware2.5.1 or later
- siemens simatic_s7-200_smart_st_cpu_firmware2.5.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens simatic_s7-200_smart_sr_cpu_firmware | 2.2 ≤ v < 2.5.1 | 2.5.1 |
| siemens simatic_s7-200_smart_st_cpu_firmware | 2.2 ≤ v < 2.5.1 | 2.5.1 |
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