Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2021-10-12T10:15:11.493

Last Modified

2024-11-21T05:57:54.560

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.0

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-306
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application siemens simatic_process_historian_2013 * Yes
Application siemens simatic_process_historian_2014 - Yes
Application siemens simatic_process_historian_2014 - Yes
Application siemens simatic_process_historian_2014 - Yes
Application siemens simatic_process_historian_2014 - Yes
Application siemens simatic_process_historian_2019 * Yes
Application siemens simatic_process_historian_2020 * Yes
References