CVE-2023-1424
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules and MELSEC iQ-R Series CPU modules allows a remote unauthenticated attacker to cause a denial of…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules and MELSEC iQ-R Series CPU modules allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on a target product by sending specially crafted packets. A system reset of the product is required for recovery from a denial of service (DoS) condition and malicious code execution.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.44% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- mitsubishielectric/melsec iq-fx5u-32mr\/ds firmware · mitsubishielectric/melsec iq-fx5u-32mr\/dss firmware · mitsubishielectric/melsec iq-fx5u-32mr\/es firmware · mitsubishielectric/melsec iq-fx5u-32mr\/ess firmware · mitsubishielectric/melsec iq-fx5u-32mt\/ds firmware · mitsubishielectric/melsec iq-fx5u-32mt\/dss firmware · mitsubishielectric/melsec iq-fx5u-32mt\/es firmware · mitsubishielectric/melsec iq-fx5u-32mt\/ess firmware · mitsubishielectric/melsec iq-fx5u-64mr\/ds firmware · mitsubishielectric/melsec iq-fx5u-64mr\/dss firmware · mitsubishielectric/melsec iq-fx5u-64mr\/es firmware · mitsubishielectric/melsec iq-fx5u-64mr\/ess firmware · mitsubishielectric/melsec iq-fx5u-64mt\/ds firmware · mitsubishielectric/melsec iq-fx5u-64mt\/dss firmware · mitsubishielectric/melsec iq-fx5u-64mt\/es firmware · mitsubishielectric/melsec iq-fx5u-64mt\/ess firmware · mitsubishielectric/melsec iq-fx5u-80mr\/ds firmware · mitsubishielectric/melsec iq-fx5u-80mr\/dss firmware · mitsubishielectric/melsec iq-fx5u-80mr\/es firmware · mitsubishielectric/melsec iq-fx5u-80mr\/ess firmware · +19 more
- Source
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
References
- https://jvn.jp/vu/JVNVU94650413Third Party Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-143-03Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-003_en.pdfPatch, Vendor Advisory
- https://jvn.jp/vu/JVNVU94650413Third Party Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-143-03Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-003_en.pdfPatch, Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1727
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.