CVE-2022-27640
Medium
Description
A vulnerability has been identified in SIMATIC CP 442-1 RNA (All versions < V1.5.18), SIMATIC CP 443-1 RNA (All versions < V1.5.18). The affected devices improperly handles excessive ARP broadcast requests. This could allow an attacker to create a denial of service condition by performing ARP storming attacks, which can cause the device to reboot.
SeverityMedium
CVSS6.5
Exploit probability—
ProductSiemens Simatic Cp 442-1 Rna Firmware
PublishedMay 20, 2022
First seenMay 20, 2022
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- siemens simatic_cp_442-1_rna_firmware1.5.18 or later
- siemens simatic_cp_443-1_rna_firmware1.5.18 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens simatic_cp_442-1_rna_firmware | v < 1.5.18 | 1.5.18 |
| siemens simatic_cp_443-1_rna_firmware | v < 1.5.18 | 1.5.18 |
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