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CVE-2021-27395

nvd nist
Published: Oct 12, 2021Modified: Jun 17, 2026

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8.1
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Exploitability: 2.8 / Impact: 5.2
Source: NVD

Description

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.

Affected (7)

4 products
Simatic Process Historian 2013
Simatic Process Historian 2014
Simatic Process Historian 2019
Simatic Process Historian 2020
Configuration A
7 vulnerable

References (2)

Source: productcert@siemens.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.