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

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Main Vulnerability Database Vulnerabilities #VU50642

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
CVSS v4: 5.3 [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]
CVE-ID: CVE-2021-25666
CWE-ID: CWE-770
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

SCALANCE W780
SCALANCE W740

How to mitigate CVE-2021-25666

Install updates from vendor's website.

SCALANCE W780 - update to 6.3
SCALANCE W740 - update to 6.3

External References

Related Security Bulletins