CVEvulnerability

CVE-2020-13238

7.5 HIGH Published 2020-06-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-06-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-400

Description

Mitsubishi MELSEC iQ-R Series PLCs with firmware 33 allow attackers to halt the industrial process by sending an unauthenticated crafted packet over the network, because this denial of service attack consumes excessive CPU time. After halting, physical access to the PLC is required in order to restore production.

Affected configurations

• mitsubishielectric melsec iq-r00cpu firmware (<= 7) • mitsubishielectric melsec iq-r01cpu firmware (<= 7) • mitsubishielectric melsec iq-r02cpu firmware (<= 7) • mitsubishielectric melsec iq-r04cpu firmware (<= 39) • mitsubishielectric melsec iq-r08cpu firmware (<= 39) • mitsubishielectric melsec iq-r16cpu firmware (<= 39) • mitsubishielectric melsec iq-r32cpu firmware (<= 39) • mitsubishielectric melsec iq-r120cpu firmware (<= 39) • mitsubishielectric melsec iq-r08fcpu firmware (<= 20) • mitsubishielectric melsec iq-r16fcpu firmware (<= 20) • mitsubishielectric melsec iq-r32fcpu firmware (<= 20) • mitsubishielectric melsec iq-r120fcpu firmware (<= 20) • mitsubishielectric melsec iq-r08pcpu firmware • mitsubishielectric melsec iq-r16pcpu firmware • mitsubishielectric melsec iq-r32pcpu firmware • mitsubishielectric melsec iq-r120pcpu firmware • mitsubishielectric melsec iq-r08sfcpu firmware • mitsubishielectric melsec iq-r16sfcpu firmware • mitsubishielectric melsec iq-r32sfcpu firmware • mitsubishielectric melsec iq-r120sfcpu firmware • mitsubishielectric melsec iq-rj71en71 firmware

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References