5.5
CVSSv2

CVE-2021-27395

Published: 12/10/2021 Updated: 19/10/2021
CVSS v2 Base Score: 5.5 | Impact Score: 4.9 | Exploitability Score: 8
CVSS v3 Base Score: 8.1 | Impact Score: 5.2 | Exploitability Score: 2.8
VMScore: 490
Vector: AV:N/AC:L/Au:S/C:N/I:P/A:P

Vulnerability Summary

A vulnerability has been identified in SIMATIC Process Historian 2013 and previous versions (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.

Vulnerability Trend

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siemens simatic process historian 2013

siemens simatic process historian 2014 -

siemens simatic process historian 2019

siemens simatic process historian 2020