Medium severity · published Oct 19, 2021
CVE-2021-20836
Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code…
6.5
CVSS
0.8%
EPSS
No
On KEV
Description
Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code execution by opening a specially crafted SCS project files.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CX
Cx-supervisor · Omron
4.0.0.13; 4.0.0.16 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20836
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20836
Release Notes
https://jvn.jp/en/vu/JVNVU90041391/index.html
Patch
https://www.myomron.com/index.php?action=kb&article=1692
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