Vulnerability Details : CVE-2020-5542
Buffer error vulnerability in TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to stop the network functions or execute malware via a specially crafted packet.
Vulnerability category: Overflow
Products affected by CVE-2020-5542
- cpe:2.3:o:mitsubishielectric:iu1-1m20-d_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-5542
0.90%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-5542
| 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 |
CWE ids for CVE-2020-5542
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-5542
-
https://jvn.jp/en/vu/JVNVU92370624/index.html
JVNVU#92370624: Multiple vulnerabilities in TCP/IP function on Mitsubishi Electric data collection analyzer MELQIC IU1 seriesThird Party Advisory
-
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2019-004.pdf
Patch;Vendor Advisory
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