Vulnerability Details : CVE-2023-3346
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.
Vulnerability category: OverflowExecute codeDenial of service
Products affected by CVE-2023-3346
- cpe:2.3:o:mitsubishielectric:c80_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:e70_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:e80_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m70v_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m720vs_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m720vs_15-type_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m720vw_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m730vs_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m730vs_15-type_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m730vw_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m750vs_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m750vs_15-type_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m750vw_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m80_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m800s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m800vs_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m800vw_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m800w_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m80v_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m80vw_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:m80w_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-3346
1.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-3346
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
Mitsubishi Electric Corporation | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2023-3346
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by:
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2023-3346
-
https://www.cisa.gov/news-events/ics-advisories/icsa-23-208-03
Mitsubishi Electric CNC Series | CISAThird Party Advisory;US Government Resource
-
https://jvn.jp/vu/JVNVU90352157/index.html
JVNVU#90352157: 三菱電機数値制御装置におけるバッファオーバーフローの脆弱性Third Party Advisory
-
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-007_en.pdf
Vendor Advisory
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