Vulnerability identifier: #VU62385

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-27481

CWE-ID: CWE-362

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
SCALANCE W1788-1 M12
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE W1788-2 EEC M12
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE W1788-2 M12
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE W1788-2IA M12
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor:

Description

The vulnerability allows a remote attacker to perform a denial of servie (DoS) attack.

The vulnerability exists due to a race condition when handling ARP requests. A remote attacker on the local network can exploit the race and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://cert-portal.siemens.com/productcert/pdf/ssa-392912.pdf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.