CVE-2021-20836 — MEDIUM (6.5)

Vulnerability 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 Score

6.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Omron	Cx-Supervisor	4.0.0.13

Related Weaknesses (CWE)

CWE-125

References

https://jvn.jp/en/vu/JVNVU90041391/index.htmlRelease NotesThird Party Advisory
https://www.myomron.com/index.php?action=kb&article=1692PatchVendor Advisory
https://jvn.jp/en/vu/JVNVU90041391/index.htmlRelease NotesThird Party Advisory
https://www.myomron.com/index.php?action=kb&article=1692PatchVendor Advisory

FAQ

What is CVE-2021-20836?

CVE-2021-20836 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...

How severe is CVE-2021-20836?

CVE-2021-20836 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20836?

Check the references section above for vendor advisories and patch information. Affected products include: Omron Cx-Supervisor.