CVE-2021-27395

8.1HIGH

Key Information:

Vendor
Siemens
Status
Simatic Process Historian 2013 And Earlier
Simatic Process Historian 2014
Simatic Process Historian 2019
Simatic Process Historian 2020
Vendor
CVE Published:
12 October 2021

Summary

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 Version(s)

SIMATIC Process Historian 2013 and earlier All versions

SIMATIC Process Historian 2014 All versions < SP3 Update 6

SIMATIC Process Historian 2019 All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-76624...
x_refsource_MISC

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.