CVE-2024-0803
Integer Overflow or Wraparound vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2024-0803- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
EUVDEUVD-2024-16590
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.
- Record
EUVD-2024-16590- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pf86-qc75-c29x
Integer Overflow or Wraparound vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series...
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.
- Record
GHSA-pf86-qc75-c29x- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-0803- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
Affected products
- mitsubishi melsec l06cpu\(-p\)
- mitsubishi melsec l26cpu\(-p\)
- mitsubishi melsec q03udvcpu
- mitsubishi melsec q04udvcpu
- mitsubishi melsec q06udpvcpu
- mitsubishi melsec q06udvcpu
- mitsubishi melsec q13udpvcpu
- mitsubishi melsec q13udvcpu
- mitsubishi melsec q26udpvcpu
- mitsubishi melsec q26udvcpu
- mitsubishi electric corporation melsec-l series l02cpu
- mitsubishi electric corporation melsec-l series l02cpu-p
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- mitsubishi electric corporation melsec-l series l06cpu
- mitsubishi electric corporation melsec-l series l06cpu-p
- mitsubishi electric corporation melsec-l series l26cpu
- mitsubishi electric corporation melsec-l series l26cpu-bt
- mitsubishi electric corporation melsec-l series l26cpu-p
- mitsubishi electric corporation melsec-l series l26cpu-pbt
- mitsubishi electric corporation melsec-q series q03udecpu
- mitsubishi electric corporation melsec-q series q03udvcpu
- mitsubishi electric corporation melsec-q series q04udehcpu
- mitsubishi electric corporation melsec-q series q04udpvcpu
- mitsubishi electric corporation melsec-q series q04udvcpu
- mitsubishi electric corporation melsec-q series q06udehcpu
- mitsubishi electric corporation melsec-q series q06udpvcpu
- mitsubishi electric corporation melsec-q series q06udvcpu
- mitsubishi electric corporation melsec-q series q100udehcpu
- mitsubishi electric corporation melsec-q series q10udehcpu
- mitsubishi electric corporation melsec-q series q13udehcpu
- mitsubishi electric corporation melsec-q series q13udpvcpu
- mitsubishi electric corporation melsec-q series q13udvcpu
- mitsubishi electric corporation melsec-q series q20udehcpu
- mitsubishi electric corporation melsec-q series q26udehcpu
- mitsubishi electric corporation melsec-q series q26udpvcpu
- mitsubishi electric corporation melsec-q series q26udvcpu
- mitsubishi electric corporation melsec-q series q50udehcpu
- mitsubishielectric l02cpu-p
- mitsubishielectric l26cpu-bt
- mitsubishielectric melsec l02cpu-p
- mitsubishielectric melsec l06cpu-p
- mitsubishielectric melsec l26cpu-p
- mitsubishielectric melsec l26cpu-pbt
- mitsubishielectric melsec q-q03udecpu
- mitsubishielectric melsec q-q04udehcpu
- mitsubishielectric melsec q-q06udehcpu
- mitsubishielectric melsec q-q100udehcpu
- mitsubishielectric melsec q-q10udehcpu
- mitsubishielectric melsec q-q13udehcpu
- mitsubishielectric melsec q-q20udehcpu
- mitsubishielectric melsec q-q26udehcpu
- mitsubishielectric melsec q-q50udehcpu
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-0803 is a critical vulnerability (CVSS 9.8) in Mitsubishi Melsec L06cpu\(-p\), published March 14, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. No source names a fixed version.