CVE-2020-5652

CVSS V2 Medium 5 CVSS V3 High 7.5
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 .
Overview
  • CVE ID
  • CVE-2020-5652
  • Assigner
  • vultures@jpcert.or.jp
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-11-02T21:15:33
  • Last Modified Date
  • 2020-11-19T17:50:41
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q04udpvcpu_firmware:22031:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q04udpvcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q06udpvcpu_firmware:22031:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q06udpvcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q13udpvcpu_firmware:22031:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q13udpvcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q26udpvcpu_firmware:22031:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q26udpvcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q03udvcpu_firmware:22031:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q03udvcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q04udvcpu_firmware:22031:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q04udvcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q13udvcpu_firmware:22031:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q13udvcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q26udvcpu_firmware:22031:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q26udvcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q03udecpu_firmware:22081:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q03udecpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q04udehcpu_firmware:22081:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q04udehcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q06udehcpu_firmware:22081:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q06udehcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q10udehcpu_firmware:22081:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q10udehcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q13udehcpu_firmware:22081:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q13udehcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q20udehcpu_firmware:22081:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q20udehcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q26udehcpu_firmware:22081:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q26udehcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q50udehcpu_firmware:22081:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q50udehcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q100udehcpu_firmware:22081:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q100udehcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r08sfcpu_firmware:22:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r08sfcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r16sfcpu_firmware:22:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r16sfcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r32sfcpu_firmware:22:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r32sfcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r120sfcpu_firmware:22:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r120sfcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r04encpu_firmware:52:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r04encpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r08encpu_firmware:52:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r08encpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r16encpu_firmware:52:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r16encpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r32encpu_firmware:52:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r32encpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r120encpu_firmware:52:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r120encpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r00cpu_firmware:20:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r00cpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r01cpu_firmware:20:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r01cpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r02cpu_firmware:20:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r02cpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r08pcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r08pcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r08psfcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r08psfcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r120pcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r120pcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r120psfcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r120psfcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r16mtcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r16mtcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r16pcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r16pcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r16psfcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r16psfcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r32mtcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r32mtcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r32pcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r32pcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r32psfcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r32psfcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-r64mtcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-r64mtcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_l02cpu-p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_l02cpu-p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_l06cpu-p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_l06cpu-p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_l26cpu-p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_l26cpu-p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_l26cpu-pbt_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_l26cpu-pbt:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q170mcpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q170mcpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q170mscpu-s1_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q170mscpu-s1:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q172dcpu-s1_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q172dcpu-s1:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q172dscpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q172dscpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q173dcpu-s1_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q173dcpu-s1:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-q173dscpu_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-q173dscpu:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_q-qmr-mq100_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_q-qmr-mq100:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-013_en.pdf Vendor Advisory
https://jvn.jp/vu/JVNVU96558207/index.html Third Party Advisory
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-013.pdf Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-5652
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5652
History
Created Old Value New Value Data Type Notes
2022-05-10 16:19:31 Added to TrackCVE
2022-12-05 15:59:16 2020-11-02T21:15Z 2020-11-02T21:15:33 CVE Published Date updated
2022-12-05 15:59:16 2020-11-19T17:50:41 CVE Modified Date updated
2022-12-05 15:59:16 Analyzed Vulnerability Status updated