CVE Vulnerability

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.

5.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-766247.pdf Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:siemens:simatic_process_historian_2014:-:sp2:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_process_historian_2014:-:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_process_historian_2014:-:sp3_update4:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_process_historian_2014:-:sp3:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_process_historian_2019:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_process_historian_2020:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_process_historian_2013:*:*:*:*:*:*:*:*
Information

Published : 2021-10-12 10:15

Updated : 2021-10-19 01:11

NVD link : CVE-2021-27395

Mitre link : CVE-2021-27395

Products Affected
No products.
CWE
CWE-306