CVE-2023-3346
What it is
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in MITSUBSHI CNC Series allows a remote unauthenticated attacker to cause Denial of Service (DoS) condition and execute arbitrary code on the product by sending specially crafted packets. In addition, system reset is required for recovery.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 2.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.1% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.1% · EPSS, next 30 days
- Weakness
- CWE-120 · Classic buffer overflow
- Record status
- Modified
Affected
- Mitsubishielectric c80 Firmware
- Mitsubishielectric e70 Firmware
- Mitsubishielectric e80 Firmware
- Mitsubishielectric m70v Firmware
- Mitsubishielectric m720vs Firmware
- Mitsubishielectric m720vs 15-type Firmware
- Mitsubishielectric m720vw Firmware
- Mitsubishielectric m730vs Firmware
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-3346.md and follow it. Check whether this project is affected by CVE-2023-3346. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-007_en.pdf
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-007_en.pdf
References
- https://jvn.jp/vu/JVNVU90352157/index.html
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-208-03
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-007_en.pdf
- https://jvn.jp/vu/JVNVU90352157/index.html
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-208-03
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-007_en.pdf