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CVE-2024-0803

Integer Overflow or Wraparound vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series and MELSEC-L Series CPU modules allows a…

Critical9.8EPSS 1.0%
Published
Updated
Reserved
Assigned by
Mitsubishi

Description

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.

Scores

CVSS scores of CVE-2024-0803, by who scored it
Scored byCVSSScoreVector
MitsubishiCNA (assigner)3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Deferred3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
1.0% · top 36% of all CVEs (2 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: total

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

Affected products

  • Mitsubishi Electric Corporation · MELSEC-Q Series Q03UDECPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q04UDEHCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q06UDEHCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q10UDEHCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q13UDEHCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q20UDEHCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q26UDEHCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q50UDEHCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q100UDEHCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q03UDVCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q04UDVCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q06UDVCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q13UDVCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q26UDVCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q04UDPVCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q06UDPVCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q13UDPVCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-Q Series Q26UDPVCPU

    • affected The first 5 digits of serial No. "26061" and prior
  • Mitsubishi Electric Corporation · MELSEC-L Series L02CPU

    • affected The first 5 digits of serial No. "26041" and prior
  • Mitsubishi Electric Corporation · MELSEC-L Series L06CPU

    • affected The first 5 digits of serial No. "26041" and prior
  • Mitsubishi Electric Corporation · MELSEC-L Series L26CPU

    • affected The first 5 digits of serial No. "26041" and prior
  • Mitsubishi Electric Corporation · MELSEC-L Series L02CPU-P

    • affected The first 5 digits of serial No. "26041" and prior
  • Mitsubishi Electric Corporation · MELSEC-L Series L06CPU-P

    • affected The first 5 digits of serial No. "26041" and prior
  • Mitsubishi Electric Corporation · MELSEC-L Series L26CPU-P

    • affected The first 5 digits of serial No. "26041" and prior
  • Mitsubishi Electric Corporation · MELSEC-L Series L26CPU-BT

    • affected The first 5 digits of serial No. "26041" and prior
  • Mitsubishi Electric Corporation · MELSEC-L Series L26CPU-PBT

    • affected The first 5 digits of serial No. "26041" and prior

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .