CVE-2021-27395
High
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.
SeverityHigh
CVSS8.1
Exploit probability—
ProductSiemens Simatic Process Historian
PublishedOct 12, 2021
First seenOct 12, 2021
Weakness typeCWE-306Missing authentication for critical function
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens simatic_process_historian_2013 | No range specified | — |
| siemens simatic_process_historian_2014 | No range specified | — |
| siemens simatic_process_historian_2019 | No range specified | — |
| siemens simatic_process_historian_2020 | No range specified | — |
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