CVE-2023-5915
mediumpriority · track · 21EPSS 0.012 · 67 %ileEURUUSEPSS · scored 2026-10-28
A vulnerability of Uncontrolled Resource Consumption has been identified in STARDOM provided by Yokogawa Electric Corporation. This vulnerability may allow to a remote attacker to cause a denial-of-service condition to the FCN/FCJ controller by sending a crafted packet. While sending the packet, the maintenance homepage of the controller could not be accessed. Therefore, functions of the maintenance homepage, changing configuration, viewing logs, etc. are not available. But the controller’s operation is not stopped by the condition. The affected products and versions are as follows: STARDOM FCN/FCJ R1.01 to R4.31.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationSTARDOM FCN/FCJcisa_csaf_ot
By using the packet filter function of the FCN/FCJ controller, only allow connection from trusted hosts. Revision up FCN/FCJ basic software to R4.20 or later for using the function.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
- yokogawa stardom fcj firmwarer1.01 → r4.31nvdUScpe:2.3:o:yokogawa:stardom_fcj_firmware:*:*:*:*:*:*:*:*
- yokogawa stardom fcn firmwarer1.01 → r4.31nvdUScpe:2.3:o:yokogawa:stardom_fcn_firmware:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-23-334-02Yokogawa STARDOM2023-11-30icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow a remote attacker to cause a denial-of-service condition to the FCN/FCJ controller by sending a specially crafted packet.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://jvn.jp/vu/JVNVU95177889/index.htmlcnnvd
- https://web-material3.yokogawa.com/1/35463/files/YSAR-23-0003-E.pdfcnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.7215cnnvd
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-02cnnvd
- https://jvn.jp/vu/JVNVU95177889/index.htmlenisa_euvd
- https://web-material3.yokogawa.com/1/35463/files/YSAR-23-0003-E.pdfenisa_euvd
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-02enisa_euvd
- https://jvn.jp/vu/JVNVU95177889/index.htmlMitigationThird Party Advisorynvd
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