Vulnerability Details : CVE-2020-5652
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 .
Vulnerability category: Denial of service
Products affected by CVE-2020-5652
- cpe:2.3:o:mitsubishielectric:melsec_iq-r00cpu_firmware:20:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r01cpu_firmware:20:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r02cpu_firmware:20:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r08pcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r16pcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r32pcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r120pcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r08sfcpu_firmware:22:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r16sfcpu_firmware:22:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r32sfcpu_firmware:22:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r120sfcpu_firmware:22:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q04udpvcpu_firmware:22031:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q06udpvcpu_firmware:22031:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q13udpvcpu_firmware:22031:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q26udpvcpu_firmware:22031:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q03udvcpu_firmware:22031:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q04udvcpu_firmware:22031:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q13udvcpu_firmware:22031:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q26udvcpu_firmware:22031:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q03udecpu_firmware:22081:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q04udehcpu_firmware:22081:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q06udehcpu_firmware:22081:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q10udehcpu_firmware:22081:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q13udehcpu_firmware:22081:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q20udehcpu_firmware:22081:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q26udehcpu_firmware:22081:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q50udehcpu_firmware:22081:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q100udehcpu_firmware:22081:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r04encpu_firmware:52:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r08encpu_firmware:52:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r16encpu_firmware:52:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r32encpu_firmware:52:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r120encpu_firmware:52:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r08psfcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r120psfcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r16mtcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r16psfcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r32mtcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r32psfcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_iq-r64mtcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_l02cpu-p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_l06cpu-p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_l26cpu-p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_l26cpu-pbt_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q170mcpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q170mscpu-s1_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q172dcpu-s1_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q172dscpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q173dcpu-s1_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-q173dscpu_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:melsec_q-qmr-mq100_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-5652
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-5652
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-5652
-
The product does not properly control the allocation and maintenance of a limited resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-5652
-
https://jvn.jp/vu/JVNVU96558207/index.html
JVNVU#96558207: 三菱電機製 MELSEC iQ-R、Q および L シリーズにおけるリソース枯渇の脆弱性Third Party Advisory
-
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-013_en.pdf
MITSUBISHI ELECTRIC Global websiteVendor Advisory
-
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-013.pdf
Vendor Advisory
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