CVEvulnerability

CVE-2021-27395

8.1 HIGH Published 2021-10-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-10-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0 ([email protected])
5.5 MEDIUM — AV:N/AC:L/Au:S/C:N/I:P/A:P
Weaknesses
CWE-306

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 configurations

• siemens simatic process historian 2013 • siemens simatic process historian 2014 • siemens simatic process historian 2019 • siemens simatic process historian 2020

Related

Weakness · CWE (1)

  • CWE-306 Missing Authentication for Critical Functionality weakness

References