CVE-2022-25162 Denial of service in Mitsubishi Electric MELSEC iQ-F series FX5U-xMy/z(x=32,64,80, y=T,R, z=ES,DS,ESS,DSS); Mitsubishi Electric MELSEC iQ-F series FX5UC-xMy/z(x=32,64,96, y=T,R, z=D,DSS); Mitsubishi Electric MELSEC iQ-F series FX5UC-32MT/DS-TS; Mitsubishi Electric MELSEC iQ-F series FX5UC-32MT/DSS-TS; Mitsubishi Electric MELSEC iQ-F series FX5UC-32MR/DS-TS; Mitsubishi Electric MELSEC iQ-F series FX5UJ-xMy/z(x=24,40,60, y=T,R, z=ES,ESS); Mitsubishi Electric MELSEC iQ-F series FX5UJ-xMy/ES-A(x=24,40,60, y=T,R); Mitsubishi Electric MELSEC iQ-F series FX5S-xMy/z(x=30,40,60,80, y=T,R, z=ES,ESS)
Remote unauthenticated attackers can cause temporary denial of service on Mitsubishi MELSEC iQ-F PLCs by sending specially crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-25162?
CVE-2022-25162 is a medium-severity denial of service vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5U-xMy/z(x=32,64,80, y=T,R, z=ES,DS,ESS,DSS); Mitsubishi Electric MELSEC iQ-F series FX5UC-xMy/z(x=32,64,96, y=T,R, z=D,DSS); Mitsubishi Electric MELSEC iQ-F series FX5UC-32MT/DS-TS; Mitsubishi Electric MELSEC iQ-F series FX5UC-32MT/DSS-TS; Mitsubishi Electric MELSEC iQ-F series FX5UC-32MR/DS-TS; Mitsubishi Electric MELSEC iQ-F series FX5UJ-xMy/z(x=24,40,60, y=T,R, z=ES,ESS); Mitsubishi Electric MELSEC iQ-F series FX5UJ-xMy/ES-A(x=24,40,60, y=T,R); Mitsubishi Electric MELSEC iQ-F series FX5S-xMy/z(x=30,40,60,80, y=T,R, z=ES,ESS), published on 18 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-20
Which versions are affected by CVE-2022-25162?
It affects 97 products.
Products include Mitsubhishielectric Melsec Iq-Fx5u-32mr\/Ds Firmware, Mitsubhishielectric Melsec Iq-Fx5u-32mr\/Dss Firmware, Mitsubhishielectric Melsec Iq-Fx5u-32mr\/Es Firmware, Mitsubhishielectric Melsec Iq-Fx5u-32mr\/Ess Firmware, Mitsubhishielectric Melsec Iq-Fx5u-32mt\/Ds Firmware, Mitsubhishielectric Melsec Iq-Fx5u-32mt\/Dss Firmware and 91 more.
How do I fix CVE-2022-25162?
No fix has been published for CVE-2022-25162 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-25162 being exploited?
There is no known exploitation of CVE-2022-25162 in the wild and no public exploit code.
Other vulnerabilities in Mitsubishi Electric MELSEC iQ-F series FX5U-xMy/z(x=32,64,80, y=T,R, z=ES,DS,ESS,DSS); Mitsubishi Electric MELSEC iQ-F series FX5UC-xMy/z(x=32,64,96, y=T,R, z=D,DSS); Mitsubishi Electric MELSEC iQ-F series FX5UC-32MT/DS-TS; Mitsubishi Electric MELSEC iQ-F series FX5UC-32MT/DSS-TS; Mitsubishi Electric MELSEC iQ-F series FX5UC-32MR/DS-TS; Mitsubishi Electric MELSEC iQ-F series FX5UJ-xMy/z(x=24,40,60, y=T,R, z=ES,ESS); Mitsubishi Electric MELSEC iQ-F series FX5UJ-xMy/ES-A(x=24,40,60, y=T,R); Mitsubishi Electric MELSEC iQ-F series FX5S-xMy/z(x=30,40,60,80, y=T,R, z=ES,ESS)
Sources
Also known as GHSA-q8x8-66wx-qj9m.