CVE-2022-25162
No known exploitation. EPSS puts it in the 86th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Improper Input Validation vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5U-xMy/z(x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 17X**** or later and versions prior to 1.270, Mitsubishi Electric Mitsubishi Electric MELSEC iQ-F series FX5U-xMy/z(x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 179**** and prior and versions prior to 1.073, MELSEC iQ-F series FX5UC-xMy/z(x=32,64,96, y=T,R, z=D,DSS) with serial number 17X**** or later and versions prior to 1.270, Mitsubishi Electric MELSEC iQ-F series FX5UC-xMy/z(x=32,64,96, y=T,R, z=D,DSS) with serial number 179**** and prior and versions prior to 1.073, Mitsubishi Electric MELSEC iQ-F series FX5UC-32MT/DS-TS versions prior to 1.270, Mitsubishi Electric MELSEC iQ-F series FX5UC-32MT/DSS-TS versions prior to 1.270, Mitsubishi Electric MELSEC iQ-F series FX5UC-32MR/DS-TS versions prior to 1.270, Mitsubishi Electric MELSEC iQ-F series FX5UJ-xMy/z(x=24,40,60, y=T,R, z=ES,ESS) versions prior to 1.030, Mitsubishi Electric MELSEC iQ-F series FX5UJ-xMy/ES-A(x=24,40,60, y=T,R) versions prior to 1.031 and Mitsubishi Electric MELSEC iQ-F series FX5S-xMy/z(x=30,40,60,80, y=T,R, z=ES,ESS) version 1.000 allows a remote unauthenticated attacker to cause a temporary DoS condition for the product's communication by sending specially crafted packets.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
2.7% chance of exploitation activity in the next 30 days, which ranks it in the 86th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 918 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- melsec iq-fx5u-32mt\/es firmwareICS / OT / IoT
- melsec iq-fx5u-32mt\/ds firmwareICS / OT / IoT
- melsec iq-fx5u-32mt\/ess firmwareICS / OT / IoT
- melsec iq-fx5u-32mt\/dss firmwareICS / OT / IoT
- melsec iq-fx5u-32mr\/es firmwareICS / OT / IoT
- melsec iq-fx5u-32mr\/ds firmwareICS / OT / IoT
- melsec iq-fx5u-32mr\/ess firmwareICS / OT / IoT
- melsec iq-fx5u-32mr\/dss firmwareICS / OT / IoT
- melsec iq-fx5u-32mt\/es firmwareICS / OT / IoT / plc-scada-hmi
- melsec iq-fx5u-32mt\/ds firmwareICS / OT / IoT / plc-scada-hmi
- melsec iq-fx5u-32mt\/ess firmwareICS / OT / IoT / plc-scada-hmi
- melsec iq-fx5u-32mt\/dss firmwareICS / OT / IoT / plc-scada-hmi
- melsec iq-fx5u-32mr\/es firmwareICS / OT / IoT / plc-scada-hmi
- melsec iq-fx5u-32mr\/ds firmwareICS / OT / IoT / plc-scada-hmi
- melsec iq-fx5u-32mr\/ess firmwareICS / OT / IoT / plc-scada-hmi
- melsec iq-fx5u-32mr\/dss firmwareICS / OT / IoT / plc-scada-hmi
And 82 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Scored 5.3 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability LowReduced performance or intermittent disruption of service
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationlow confidence
Sources
References in the record
- jvn.jp/vu/JVNVU95926817/index.html
- cisa.gov/uscert/ics/advisories/icsa-22-139-01
- mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-004_en.pdf
And 8 more references. See all after sign-in
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