CVE-2022-27640
Last modified
CVE-2022-27640 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Simatic Cp 442-1 Rna Firmware | < 1.5.18 |
| Siemens | Simatic Cp 443-1 Rna Firmware | < 1.5.18 |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-480937.pdfPatch, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-480937.pdfPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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