CVE-2023-4562
CRITICALMitsubishi Electric Corporation MELSEC-F Series - Auth Bypass
Title source: llmDescription
Improper Authentication vulnerability in Mitsubishi Electric Corporation MELSEC-F Series main modules allows a remote unauthenticated attacker to obtain sequence programs from the product or write malicious sequence programs or improper data in the product without authentication by sending illegitimate messages.
References (3)
Core 3
Core References
Vendor Advisory vendor-advisory
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-012_en.pdf
Third Party Advisory government-resource
https://jvn.jp/vu/JVNVU90509290/
Third Party Advisory, US Government Resource government-resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-13
Scores
CVSS v3
9.1
EPSS
0.0023
EPSS Percentile
46.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-287
Status
published
Products (50)
mitsubishielectric/fx3g-14_mr\/ds_firmware
mitsubishielectric/fx3g-14_mr\/es_firmware
mitsubishielectric/fx3g-14_mt\/ds_firmware
mitsubishielectric/fx3g-14_mt\/dss_firmware
mitsubishielectric/fx3g-14_mt\/es_firmware
mitsubishielectric/fx3g-14_mt\/ess_firmware
mitsubishielectric/fx3g-14mr\/ds_firmware
mitsubishielectric/fx3g-14mr\/es-a_firmware
mitsubishielectric/fx3g-14mr\/es_firmware
mitsubishielectric/fx3g-14mt\/ds_firmware
... and 40 more
Published
Oct 13, 2023
Tracked Since
Feb 18, 2026