CVE-2023-6815
mediumpriority · track · 26EPSS 0.007 · 53 %ileEURUUSEPSS · scored 2026-10-27
Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU all versions and MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU all versions allows a remote authenticated attacker who has logged into the product as a non-administrator user to disclose the credentials (user ID and password) of a user with a lower access level than the attacker by sending a specially crafted packet.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationMELSEC iQ-R Series SIL2 Process CPU R08PSFCPUcisa_csaf_ot
Install antivirus software on your personal computer that can access the affected product.
- MitigationMELSEC iQ-R Series SIL2 Process CPU R120PSFCPUcisa_csaf_ot
Install antivirus software on your personal computer that can access the affected product.
- MitigationMELSEC iQ-R Series SIL2 Process CPU R16PSFCPUcisa_csaf_ot
Install antivirus software on your personal computer that can access the affected product.
- MitigationMELSEC iQ-R Series SIL2 Process CPU R32PSFCPUcisa_csaf_ot
Install antivirus software on your personal computer that can access the affected product.
- MitigationMELSEC iQ-R Series Safety CPU R08SFCPUcisa_csaf_ot
Install antivirus software on your personal computer that can access the affected product.
- MitigationMELSEC iQ-R Series Safety CPU R120SFCPUcisa_csaf_ot
Install antivirus software on your personal computer that can access the affected product.
- MitigationMELSEC iQ-R Series Safety CPU R16SFCPUcisa_csaf_ot
Install antivirus software on your personal computer that can access the affected product.
- MitigationMELSEC iQ-R Series Safety CPU R32SFCPUcisa_csaf_ot
Install antivirus software on your personal computer that can access the affected product.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (48)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-24-044-01Mitsubishi Electric MELSEC iQ-R Series Safety CPU and SIL2 Process CPU (Update A)2024-02-13icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow a non-administrator user to disclose the credentials (user ID and password) of a user with a lower access level than themselves.
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://cxsecurity.com/cveshow/CVE-2023-6815/cnnvd
- https://jvn.jp/vu/JVNVU95085830/index.htmlcnnvd
- https://www.cisa.gov/news-events/ics-advisories/icsa-24-044-01cnnvd
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-021_en.pdfcnnvd
- https://jvn.jp/vu/JVNVU95085830/index.htmlenisa_euvd
- https://www.cisa.gov/news-events/ics-advisories/icsa-24-044-01enisa_euvd
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-021_en.pdfenisa_euvd
- https://jvn.jp/vu/JVNVU95085830/index.htmlThird Party Advisorynvd
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