CVE-2023-30757

Description

A vulnerability has been identified in Totally Integrated Automation Portal (TIA Portal) V14 (All versions), Totally Integrated Automation Portal (TIA Portal) V15 (All versions), Totally Integrated Automation Portal (TIA Portal) V15.1 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions), Totally Integrated Automation Portal (TIA Portal) V20 (All versions). The know-how protection feature in affected products does not properly update the encryption of existing program blocks when a project file is updated. This could allow attackers with access to the project file to recover previous - yet unprotected - versions of the project without the knowledge of the know-how protection password.

Category

6.2
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Vendor Advisory siemens.com
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V14
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V15
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V15.1
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V16
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V17
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V18
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V19
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V20
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-042050.pdf vendor advisory
https://cert-portal.siemens.com/productcert/html/ssa-042050.html

Frequently Asked Questions

What is the severity of CVE-2023-30757?
CVE-2023-30757 has been scored as a medium severity vulnerability.
How to fix CVE-2023-30757?
To fix CVE-2023-30757, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-30757 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-30757 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-30757?
CVE-2023-30757 affects Siemens Totally Integrated Automation Portal (TIA Portal) V14, Siemens Totally Integrated Automation Portal (TIA Portal) V15, Siemens Totally Integrated Automation Portal (TIA Portal) V15.1, Siemens Totally Integrated Automation Portal (TIA Portal) V16, Siemens Totally Integrated Automation Portal (TIA Portal) V17, Siemens Totally Integrated Automation Portal (TIA Portal) V18, Siemens Totally Integrated Automation Portal (TIA Portal) V19, Siemens Totally Integrated Automation Portal (TIA Portal) V20.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.