Allocation of Resources Without Limits or Throttling in SCALANCE W780 and SCALANCE W740 - CVE-2021-25666

 

Allocation of Resources Without Limits or Throttling in SCALANCE W780 and SCALANCE W740 - CVE-2021-25666

Published: February 11, 2021


Vulnerability identifier: #VU50642
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-25666
CWE-ID: CWE-770
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
SCALANCE W780
SCALANCE W740
Software vendor:
Siemens

Description

The vulnerability allows a remote attacker to perofrm a denial of service (DoS) attack.

The vulnerability exists due to allocation of resources without limits issue. A remote attacker on the local network can send specially crafted packets and cause a denial of service condition on the target system.


Remediation

Install updates from vendor's website.

External links