Vulnerabilities > CVE-2021-27395 - Unspecified vulnerability in Siemens products
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
HIGH Availability impact
HIGH Summary
A vulnerability has been identified in SIMATIC Process Historian 2013 and earlier (All versions), SIMATIC Process Historian 2014 (All versions < SP3 Update 6), SIMATIC Process Historian 2019 (All versions), SIMATIC Process Historian 2020 (All versions). An interface in the software that is used for critical functionalities lacks authentication, which could allow a malicious user to maliciously insert, modify or delete data.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 7 |