Medium severity5.3NVD Advisory· Published Nov 6, 2023· Updated Jun 17, 2026

CVE-2023-4625

Description

Improper Restriction of Excessive Authentication Attempts vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F/iQ-R Series CPU modules Web server function allows a remote unauthenticated attacker to prevent legitimate users from logging into the Web server function for a certain period after the attacker has attempted to log in illegally by continuously attempting unauthorized login to the Web server function. The impact of this vulnerability will persist while the attacker continues to attempt unauthorized login.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

144

Mitsubishielectric/MELSEC iQ-F Series CPU modulellm-fuzzy
Mitsubishielectric/Fx5u 32mt\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5u-32mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 64mt\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5u-64mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 80mt\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5u-80mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 32mr\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5u-32mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 32mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:fx5u-32mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 64mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:fx5u-64mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 80mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:fx5u-80mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uc 32mt\/d Firmware
cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/d_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uc 64mt\/d Firmware
cpe:2.3:o:mitsubishielectric:fx5uc-64mt\/d_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uc 96mt\/d Firmware
cpe:2.3:o:mitsubishielectric:fx5uc-96mt\/d_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 80mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:fx5u-80mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 64mr\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5u-64mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 80mr\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5u-80mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 32mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5u-32mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 64mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5u-64mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 80mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5u-80mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 32mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5u-32mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 64mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5u-64mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 80mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5u-80mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 32mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:fx5u-32mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5u 64mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:fx5u-64mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uc 32mr\/ds Ts Firmware
cpe:2.3:o:mitsubishielectric:fx5uc-32mr\/ds-ts_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 24mt\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-24mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 40mt\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-40mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 60mt\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-60mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 24mr\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-24mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 40mr\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-40mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 60mr\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-60mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 24mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-24mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 40mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-40mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 60mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-60mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 60mt\/es A Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-60mt\/es-a_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 24mr\/es A Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-24mr\/es-a_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 40mr\/es A Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-40mr\/es-a_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 60mr\/es A Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-60mr\/es-a_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 30mr\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5s-30mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 40mr\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5s-40mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uc 32mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uc 64mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:fx5uc-64mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uc 96mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:fx5uc-96mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uc 32mt\/ds Ts Firmware
cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/ds-ts_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uc 32mt\/dss Ts Firmware
cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/dss-ts_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 24mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-24mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 40mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-40mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 60mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-60mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 24mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-24mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 40mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-40mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 60mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-60mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 24mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-24mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 40mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-40mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 60mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-60mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 24mt\/es A Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-24mt\/es-a_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5uj 40mt\/es A Firmware
cpe:2.3:o:mitsubishielectric:fx5uj-40mt\/es-a_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 30mt\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5s-30mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 40mt\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5s-40mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 60mt\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5s-60mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 80mt\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5s-80mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 60mr\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5s-60mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 80mr\/es Firmware
cpe:2.3:o:mitsubishielectric:fx5s-80mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 30mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:fx5s-30mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 40mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:fx5s-40mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 60mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:fx5s-60mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Fx5s 80mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:fx5s-80mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/MELSEC iQ-F Series FX5-ENETcpe-rescue54 versions
all versions (for serial number 17X**** and later)+ 53 more
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions
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- (no CPE)range: all versions
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- (no CPE)range: all versions
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- (no CPE)range: all versions
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- (no CPE)range: all versions
- (no CPE)range: all versions
- (no CPE)range: all versions
- (no CPE)range: all versions
- (no CPE)range: all versions
Mitsubishielectric/MELSEC iQ-R Seriescpe-rescue17 versions
versions 05 or later+ 16 more
- (no CPE)range: versions 05 or later
- (no CPE)range: versions 05 or later
- (no CPE)range: versions 05 or later
- (no CPE)range: versions 35 or later
- (no CPE)range: versions 35 or later
- (no CPE)range: versions 35 or later
- (no CPE)range: versions 35 or later
- (no CPE)range: versions 35 or later
- (no CPE)range: versions 35 or later
- (no CPE)range: versions 35 or later
- (no CPE)range: versions 35 or later
- (no CPE)range: versions 35 or later
- (no CPE)range: versions 35 or later
- (no CPE)range: versions 37 or later
- (no CPE)range: versions 37 or later
- (no CPE)range: versions 37 or later
- (no CPE)range: versions 37 or later
Mitsubishielectric/MELSEC iQ-F Series FX5Ucpe-rescue6 versions
all versions (for serial number 17X**** and later)+ 5 more
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions (for serial number 17X**** and later)
- (no CPE)range: all versions
- (no CPE)range: all versions
- (no CPE)range: all versions
Mitsubishielectric/Melsec Iq Fx5uc 32mt\/ds Ts Firmwarecpe-rescue
Range: all versions
Mitsubishielectric/Melsec Iq Fx5uc 32mt\/dss Ts Firmwarecpe-rescue
Range: all versions
Mitsubishielectric/Melsec Iq Fx5uc 32mr\/ds Ts Firmwarecpe-rescue
Range: all versions

Patches

Vulnerability mechanics

References

jvn.jp/vu/JVNVU94620134nvdThird Party Advisory
www.cisa.gov/news-events/ics-advisories/icsa-23-306-02nvdThird Party AdvisoryUS Government Resource
www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-014_en.pdfnvdVendor Advisory

News mentions

No linked articles in our index yet.

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