CVE-2024-0803 is a critical integer overflow vulnerability affecting Mitsubishi Electric MELSEC-Q and MELSEC-L Series CPU modules. This flaw allows an unauthenticated remote attacker to execute arbitrary code on vulnerable devices by sending a specially crafted network packet. With a CVSS score of 9.8, the vulnerability presents a severe risk, enabling full compromise of confidentiality, integrity, and availability without user interaction. Currently, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Mitsubishi Electric Corporation | MELSEC-L Series L02CPU | The first 5 digits of serial No. "26041" and priorCNA affecteddefault unaffected | |
| Mitsubishi Electric Corporation | MELSEC-L Series L02CPU-P | The first 5 digits of serial No. "26041" and priorCNA affecteddefault unaffected | |
| Mitsubishi Electric Corporation | MELSEC-L Series L06CPU | The first 5 digits of serial No. "26041" and priorCNA affecteddefault unaffected | |
| Mitsubishi Electric Corporation | MELSEC-L Series L06CPU-P | The first 5 digits of serial No. "26041" and priorCNA affecteddefault unaffected | |
| Mitsubishi Electric Corporation | MELSEC-L Series L26CPU | The first 5 digits of serial No. "26041" and priorCNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.