Vulnerability identifier: #VU53139

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-27413

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CX-One
Server applications / Frameworks for developing and running applications
CX-Server
Web applications / Other software

Vendor: Omron

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CX-One: 4.60

CX-Server: 5.0.29.0

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External links
http://ics-cert.us-cert.gov/advisories/icsa-21-131-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.