CVEvulnerability

CVE-2020-5652

7.5 HIGH Published 2020-11-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-11-02
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])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-400

Description

Uncontrolled resource consumption vulnerability in Ethernet Port on MELSEC iQ-R, Q and L series CPU modules (R 00/01/02 CPU firmware versions '20' and earlier, R 04/08/16/32/120 (EN) CPU firmware versions '52' and earlier, R 08/16/32/120 SFCPU firmware versions '22' and earlier, R 08/16/32/120 PCPU all versions, R 08/16/32/120 PSFCPU all versions, R 16/32/64 MTCPU all versions, Q03 UDECPU, Q 04/06/10/13/20/26/50/100 UDEHCPU serial number '22081' and earlier , Q 03/04/06/13/26 UDVCPU serial number '22031' and earlier, Q 04/06/13/26 UDPVCPU serial number '22031' and earlier, Q 172/173 DCPU all versions, Q 172/173 DSCPU all versions, Q 170 MCPU all versions, Q 170 MSCPU all versions, L 02/06/26 CPU (-P) and L 26 CPU - (P) BT all versions) allows a remote unauthenticated attacker to stop the Ethernet communication functions of the products via a specially crafted packet, which may lead to a denial of service (DoS) condition .

Affected configurations

• mitsubishielectric melsec q-q04udpvcpu firmware 22031 • mitsubishielectric melsec q-q06udpvcpu firmware 22031 • mitsubishielectric melsec q-q13udpvcpu firmware 22031 • mitsubishielectric melsec q-q26udpvcpu firmware 22031 • mitsubishielectric melsec q-q03udvcpu firmware 22031 • mitsubishielectric melsec q-q04udvcpu firmware 22031 • mitsubishielectric melsec q-q13udvcpu firmware 22031 • mitsubishielectric melsec q-q26udvcpu firmware 22031 • mitsubishielectric melsec q-q03udecpu firmware 22081 • mitsubishielectric melsec q-q04udehcpu firmware 22081 • mitsubishielectric melsec q-q06udehcpu firmware 22081 • mitsubishielectric melsec q-q10udehcpu firmware 22081 • mitsubishielectric melsec q-q13udehcpu firmware 22081 • mitsubishielectric melsec q-q20udehcpu firmware 22081 • mitsubishielectric melsec q-q26udehcpu firmware 22081 • mitsubishielectric melsec q-q50udehcpu firmware 22081 • mitsubishielectric melsec q-q100udehcpu firmware 22081 • mitsubishielectric melsec iq-r08sfcpu firmware 22 • mitsubishielectric melsec iq-r16sfcpu firmware 22 • mitsubishielectric melsec iq-r32sfcpu firmware 22 • mitsubishielectric melsec iq-r120sfcpu firmware 22 • mitsubishielectric melsec iq-r04encpu firmware 52 • mitsubishielectric melsec iq-r08encpu firmware 52 • mitsubishielectric melsec iq-r16encpu firmware 52 • mitsubishielectric melsec iq-r32encpu firmware 52 • mitsubishielectric melsec iq-r120encpu firmware 52 • mitsubishielectric melsec iq-r00cpu firmware 20 • mitsubishielectric melsec iq-r01cpu firmware 20 • mitsubishielectric melsec iq-r02cpu firmware 20 • mitsubishielectric melsec iq-r08pcpu firmware • mitsubishielectric melsec iq-r08psfcpu firmware • mitsubishielectric melsec iq-r120pcpu firmware • mitsubishielectric melsec iq-r120psfcpu firmware • mitsubishielectric melsec iq-r16mtcpu firmware • mitsubishielectric melsec iq-r16pcpu firmware • mitsubishielectric melsec iq-r16psfcpu firmware • mitsubishielectric melsec iq-r32mtcpu firmware • mitsubishielectric melsec iq-r32pcpu firmware • mitsubishielectric melsec iq-r32psfcpu firmware • mitsubishielectric melsec iq-r64mtcpu firmware • mitsubishielectric melsec l02cpu-p firmware • mitsubishielectric melsec l06cpu-p firmware • mitsubishielectric melsec l26cpu-p firmware • mitsubishielectric melsec l26cpu-pbt firmware • mitsubishielectric melsec q-q170mcpu firmware • mitsubishielectric melsec q-q170mscpu-s1 firmware • mitsubishielectric melsec q-q172dcpu-s1 firmware • mitsubishielectric melsec q-q172dscpu firmware • mitsubishielectric melsec q-q173dcpu-s1 firmware • mitsubishielectric melsec q-q173dscpu firmware • mitsubishielectric melsec q-qmr-mq100 firmware

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References