HOMEVULNERABILITIESCVE-2024-47135
HIGH

CVE-2024-47135

CWE-121Published: October 3, 2024· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Stack-based buffer overflow vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.14.0 and earlier. Having a user open a specially crafted project file which was saved using Kostac PLC Programming Software Version 1.6.9.0 and earlier may cause a denial-of-service (DoS) condition, arbitrary code execution, and/or information disclosure because the issues exist in parsing of KPP project files.

NVD Source

Technical Analysis

CVE-2024-47135 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

jtekt1 product(s)
kostac plc
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jvn.jp/en/vu/JVNVU92808077/
ADVISORYhttps://www.electronics.jtekt.co.jp/en/topics/202410026928/
ADVISORYhttps://www.electronics.jtekt.co.jp/jp/topics/2024100217388/

All References (3)

→
https://jvn.jp/en/vu/JVNVU92808077/Third Party Advisory
→
https://www.electronics.jtekt.co.jp/en/topics/202410026928/Vendor Advisory
→
https://www.electronics.jtekt.co.jp/jp/topics/2024100217388/Vendor Advisory

Quick Facts

CVE IDCVE-2024-47135
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-121
CISA KEVNo
Affected1 vendor(s)
PublishedOct 3, 2024

Related CVEs (CWE-121)

CVE-2012-10058
10.0
CVE-2026-12846
10.0
CVE-2021-21960
10.0
CVE-2021-21961
10.0
CVE-2026-42996
10.0
CVE-2026-12485
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2024-47135 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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