CVEvulnerability

CVE-2022-27640

6.5 MEDIUM Published 2022-05-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-05-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
6.1 MEDIUM — AV:A/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-400

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.

Affected configurations

• siemens simatic cp 442-1 rna firmware (< 1.5.18) • siemens simatic cp 443-1 rna firmware (< 1.5.18)

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References