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CVE-2023-41374

HIGH
7.8
CVSS Score
Published: September 20, 2023 at 08:49 AM UTC
Updated: June 17, 2026 at 06:22 AM UTC
1 product affected across 1 vendorKostac PLC

Using Kostac PLC Programming Software by JTEKT ELECTRONICS CORPORATION?

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Double free issue exists in Kostac PLC Programming Software Version 1.6.11.0 and earlier. Arbitrary code may be executed by having a user open a specially crafted project file which was saved using Kostac PLC Programming Software Version 1.6.9.0 and earlier because the issue exists in parsing of KPP project files. The vendor states that Kostac PLC Programming Software Version 1.6.10.0 or later implements the function which prevents a project file alteration. Therefore, to mitigate the impact of these vulnerabilities, a project file which was saved using Kostac PLC Programming Software Version 1.6.9.0 and earlier needs to be saved again using Kostac PLC Programming Software Version 1.6.10.0 or later.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Kostac PLC· Jtekt
95%
v ≤ 1.6.11.0v < 1.6.10.01.6.11.0
Affected range stops below 1.6.10.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Third Party Advisory
Source: [email protected]
https://jvn.jp/en/vu/JVNVU95282683/index.html
Vendor Advisory
Source: [email protected]
https://www.electronics.jtekt.co.jp/en/topics/202309125391/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-415

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