high
8.1
CWE
326 328
Advisory Published
Updated

CVE-2022-25156: Weak Encryption

First published: Fri Apr 01 2022(Updated: )

Use of Weak Hash vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5U(C) CPU all versions, Mitsubishi Electric MELSEC iQ-F series FX5UJ CPU all versions, Mitsubishi Electric MELSEC iQ-R series R00/01/02CPU all versions, Mitsubishi Electric MELSEC iQ-R series R04/08/16/32/120(EN)CPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120SFCPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PCPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PSFCPU all versions, Mitsubishi Electric MELSEC iQ-R series RJ71C24(-R2/R4) all versions, Mitsubishi Electric MELSEC iQ-R series RJ71EN71 all versions, Mitsubishi Electric MELSEC iQ-R series RJ72GF15-T2 all versions, Mitsubishi Electric MELSEC Q series Q03UDECPU all versions, Mitsubishi Electric MELSEC Q series Q04/06/10/13/20/26/50/100UDEHCPU all versions, Mitsubishi Electric MELSEC Q series Q03/04/06/13/26UDVCPU all versions, Mitsubishi Electric MELSEC Q series Q04/06/13/26UDPVCPU all versions, Mitsubishi Electric MELSEC Q series QJ71C24N(-R2/R4) all versions, Mitsubishi Electric MELSEC Q series QJ71E71-100 all versions, Mitsubishi Electric MELSEC Q series QJ72BR15 all versions, Mitsubishi Electric MELSEC Q series QJ72LP25(-25/G/GE) all versions, Mitsubishi Electric MELSEC L series L02/06/26CPU(-P) all versions, Mitsubishi Electric MELSEC L series L26CPU-(P)BT all versions, Mitsubishi Electric MELSEC L series LJ71C24(-R2) all versions, Mitsubishi Electric MELSEC L series LJ71E71-100 all versions and Mitsubishi Electric MELSEC L series LJ72GF15-T2 all versions allows a remote unauthenticated attacker to login to the product by using a password reversed from a previously eavesdropped password hash.

Credit: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp

Affected SoftwareAffected VersionHow to fix
Mitsubishielectric Fx5uc Firmware
Mitsubishielectric Fx5uc
Mitsubishielectric Fx5uc-32mr\/ds-ts Firmware
Mitsubishielectric Fx5uc-32mr\/ds-ts
Mitsubishielectric Fx5uc-32mt\/d Firmware
Mitsubishielectric Fx5uc-32mt\/d
Mitsubishielectric Fx5uc-32mt\/dss Firmware
Mitsubishielectric Fx5uc-32mt\/dss
Mitsubishielectric Fx5uj-24mr\/es Firmware
Mitsubishielectric Fx5uj-24mr\/es
Mitsubishielectric Fx5uj-24mt\/es Firmware
Mitsubishielectric Fx5uj-24mt\/es
Mitsubishielectric Fx5uj-24mt\/ess Firmware
Mitsubishielectric Fx5uj-24mt\/ess
Mitsubishielectric Fx5uj-40mr\/es Firmware
Mitsubishielectric Fx5uj-40mr\/es
Mitsubishielectric Fx5uj-40mt\/es Firmware
Mitsubishielectric Fx5uj-40mt\/es
Mitsubishielectric Fx5uj-40mt\/ess Firmware
Mitsubishielectric Fx5uj-40mt\/ess
Mitsubishielectric Fx5uj-60mr\/es Firmware
Mitsubishielectric Fx5uj-60mr\/es
Mitsubishielectric Fx5uj-60mt\/es Firmware
Mitsubishielectric Fx5uj-60mt\/es
Mitsubishielectric Fx5uj-60mt\/ess Firmware
Mitsubishielectric Fx5uj-60mt\/ess
Mitsubishielectric Fx5uc-32mt\/dss-ts Firmware
Mitsubishielectric Fx5uc-32mt\/dss-ts
Mitsubishielectric Fx5uc-32mt\/ds-ts Firmware
Mitsubishielectric Fx5uc-32mt\/ds-ts
Mitsubishielectric Fx5uj Firmware
Mitsubishielectric Fx5uj
Mitsubishi Electric MELSEC iQ-F Series FX5U(C) CPU modules, All models
Mitsubishi Electric MELSEC iQ-F Series FX5UJ CPU modules, All models

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2022-25156?

    The severity of CVE-2022-25156 is high.

  • Which Mitsubishi Electric products are affected by CVE-2022-25156?

    Mitsubishi Electric MELSEC iQ-F series FX5U(C) CPU all versions, Mitsubishi Electric MELSEC iQ-F series FX5UJ CPU all versions, Mitsubishi Electric MELSEC iQ-R series R00/01/02CPU all versions, Mitsubishi Electric MELSEC iQ-R series R04/08/16/32/120(EN)CPU all versions.

  • How does CVE-2022-25156 affect Mitsubishi Electric products?

    CVE-2022-25156 is a use of weak hash vulnerability that affects the firmware of Mitsubishi Electric MELSEC iQ-F series and MELSEC iQ-R series CPUs.

  • What is the fix for CVE-2022-25156?

    Apply the firmware update provided by Mitsubishi Electric to fix CVE-2022-25156.

  • Where can I find more information about CVE-2022-25156?

    You can find more information about CVE-2022-25156 on the official websites of Japan Vulnerability Notes (JVN), CISA, and Mitsubishi Electric.

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