SB2021021125 - Denial of service in Siemens SCALANCE W780 and W740
Published: February 11, 2021
Security Bulletin ID
SB2021021125
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2021-25666)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: 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
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 update from vendor's website.