CVE-2023-30757
No known exploitation. EPSS puts it in the 2nd percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.1% chance of exploitation activity in the next 30 days, which ranks it in the 2nd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 546 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- TIA PortalICS / OT / IoT
- Totally Integrated Automation Portal (TIA Portal) V14ICS / OT / IoT
- Totally Integrated Automation Portal (TIA Portal) V15ICS / OT / IoT
- Totally Integrated Automation Portal (TIA Portal) V15.1ICS / OT / IoT
- Totally Integrated Automation Portal (TIA Portal) V16ICS / OT / IoT
- Totally Integrated Automation Portal (TIA Portal) V17ICS / OT / IoT
- Totally Integrated Automation Portal (TIA Portal) V18ICS / OT / IoT
- Totally Integrated Automation Portal (TIA Portal) V19ICS / OT / IoT
And 2 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Scored 6.2 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
Sources
References in the record
- cert-portal.siemens.com/productcert/pdf/ssa-042050.pdf&
- cybersecurity-help.cz/vdb/SB2023061512&
- vuldb.com/?id.231335
And 11 more references. See all after sign-in
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