Vulnerability Details CVE-2021-27395
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 47.9%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 5.5
References
Products affected by CVE-2021-27395
-
cpe:2.3:a:siemens:simatic_process_historian_2013:*
-
cpe:2.3:a:siemens:simatic_process_historian_2014:-
-
cpe:2.3:a:siemens:simatic_process_historian_2019:*
-
cpe:2.3:a:siemens:simatic_process_historian_2020:*