Integer overflow in Mitsubishi Electric Corporation Melsec-L Series L02cpu
CVE-2024-1917
Integer Overflow or Wraparound vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series and MELSEC-L Series CPU modules allows a remote unauthenticated attacker to execute malicious code on a target product by sending a specially crafted packet.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Mitsubishi Electric Corporation Melsec-L Series L02cpu — versions The first 5 digits of serial No. "26041" and prior
- Mitsubishi Electric Corporation Melsec-L Series L02cpu-P — versions The first 5 digits of serial No. "26041" and prior
- Mitsubishi Electric Corporation Melsec-L Series L06cpu — versions The first 5 digits of serial No. "26041" and prior
- Mitsubishi Electric Corporation Melsec-L Series L06cpu-P — versions The first 5 digits of serial No. "26041" and prior
- Mitsubishi Electric Corporation Melsec-L Series L26cpu — versions The first 5 digits of serial No. "26041" and prior
- Mitsubishi Electric Corporation Melsec-L Series L26cpu-Bt — versions The first 5 digits of serial No. "26041" and prior
- Mitsubishi Electric Corporation Melsec-L Series L26cpu-P — versions The first 5 digits of serial No. "26041" and prior
- Mitsubishi Electric Corporation Melsec-L Series L26cpu-Pbt — versions The first 5 digits of serial No. "26041" and prior
- Mitsubishi Electric Corporation Melsec-Q Series Q03udecpu — versions The first 5 digits of serial No. "26061" and prior
- Mitsubishi Electric Corporation Melsec-Q Series Q03udvcpu — versions The first 5 digits of serial No. "26061" and prior
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-024_en.pdf (vendor-advisory)
- jvn.jp/vu/JVNVU99690199/ (government-resource)
- www.cisa.gov/news-events/ics-advisories/icsa-24-074-14 (government-resource)
Frequently asked questions
- What is CVE-2024-1917?
- CVE-2024-1917 is a critical-severity vulnerability in Mitsubishi Electric Corporation Melsec-L Series L02cpu, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2024-03-15.
- How severe is CVE-2024-1917?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2024-1917 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.