CVEvulnerability

CVE-2020-5668

7.5 HIGH Published 2020-11-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-11-20
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

Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series modules (R00/01/02CPU firmware version '19' and earlier, R04/08/16/32/120 (EN) CPU firmware version '51' and earlier, R08/16/32/120SFCPU firmware version '22' and earlier, R08/16/32/120PCPU firmware version '25' and earlier, R08/16/32/120PSFCPU firmware version '06' and earlier, RJ71EN71 firmware version '47' and earlier, RJ71GF11-T2 firmware version '47' and earlier, RJ72GF15-T2 firmware version '07' and earlier, RJ71GP21-SX firmware version '47' and earlier, RJ71GP21S-SX firmware version '47' and earlier, and RJ71GN11-T2 firmware version '11' and earlier) allows a remote unauthenticated attacker to cause an error in a CPU unit and cause a denial-of-service (DoS) condition in execution of the program and its communication, or to cause a denial-of-service (DoS) condition in communication via the unit by receiving a specially crafted SLMP packet

Affected configurations

• mitsubishielectric r00cpu firmware (<= 19) • mitsubishielectric r01cpu firmware (<= 19) • mitsubishielectric r02cpu firmware (<= 19) • mitsubishielectric r04cpu firmware (<= 51) • mitsubishielectric r08cpu firmware (<= 51) • mitsubishielectric r16cpu firmware (<= 51) • mitsubishielectric r32cpu firmware (<= 51) • mitsubishielectric r120cpu firmware (<= 51) • mitsubishielectric r08sfcpu firmware (<= 22) • mitsubishielectric r16sfcpu firmware (<= 22) • mitsubishielectric r32sfcpu firmware (<= 22) • mitsubishielectric r120sfcpu firmware (<= 22) • mitsubishielectric r08pcpu firmware (<= 25) • mitsubishielectric r16pcpu firmware (<= 25) • mitsubishielectric r32pcpu firmware (<= 25) • mitsubishielectric r120pcpu firmware (<= 25) • mitsubishielectric r08psfcpu firmware (<= 06) • mitsubishielectric r16psfcpu firmware (<= 06) • mitsubishielectric r32psfcpu firmware (<= 06) • mitsubishielectric r120psfcpu firmware (<= 06) • mitsubishielectric rj71en71 firmware (<= 47) • mitsubishielectric rj71gf11-t2 firmware (<= 47) • mitsubishielectric rj72gf15-t2 firmware (<= 07) • mitsubishielectric rj71gp21-sx firmware (<= 47) • mitsubishielectric rj71gp21s-sx firmware (<= 47) • mitsubishielectric rj71c24-r2 firmware (<= 47) • mitsubishielectric rj71c24-r4 firmware (<= 47) • mitsubishielectric rj71gn11-t2 firmware (<= 11)

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References