SB2022051125 - Denial of service in Siemens SIMATIC CP 442-1 RNA and SIMATIC CP 443-1 RNA
Published: May 11, 2022
Security Bulletin ID
SB2022051125
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2022-27640)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker on the local network can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.