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CVE-2023-30757

A vulnerability has been identified in Totally Integrated Automation Portal (TIA Portal) V14 (All versions), Totally Integrated Automation…

Medium6.2EPSS 0.12%
Published
Updated
Reserved
Assigned by
siemens

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.

Scores

CVSS scores of CVE-2023-30757, by who scored it
Scored byCVSSScoreVector
siemensCNA (assigner)3.1Medium6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:T/RC:C
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.12% · top 98% of all CVEs (7 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.2.

Weakness

Affected products

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .