Vulnerability Details : CVE-2020-5531
Mitsubishi Electric MELSEC C Controller Module and MELIPC Series MI5000 MELSEC-Q Series C Controller Module(Q24DHCCPU-V, Q24DHCCPU-VG User Ethernet port (CH1, CH2): First 5 digits of serial number 21121 or before), MELSEC iQ-R Series C Controller Module / C Intelligent Function Module(R12CCPU-V Ethernet port (CH1, CH2): First 2 digits of serial number 11 or before, and RD55UP06-V Ethernet port: First 2 digits of serial number 08 or before), and MELIPC Series MI5000(MI5122-VW Ethernet port (CH1): First 2 digits of serial number 03 or before, or the firmware version 03 or before) allow remote attackers to cause a denial of service and/or malware being executed via unspecified vectors.
Vulnerability category: Denial of service
Products affected by CVE-2020-5531
- cpe:2.3:o:mitsubishielectric:q24dhccpu-v_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:q24dhccpu-vg_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:r12ccpu-v_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:rd55up06-v_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:mi5122-vw_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-5531
0.43%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-5531
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
References for CVE-2020-5531
-
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-003_en.pdf
MITSUBISHI ELECTRIC Global websiteVendor Advisory
-
https://jvn.jp/en/vu/JVNVU95424547/index.html
JVNVU#95424547: Multiple vulnerabilities in TCP/IP function on Mitsubishi Electric MELSEC C Controller Module and MELIPC Series MI5000Third Party Advisory
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