Vulnerability identifier: #VU49341

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-2020-27259

CWE-ID: CWE-822

Exploitation vector: Network

Exploit availability: No

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

Vendor: Omron

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to untrusted pointer dereference when processing certain files. A remote attacker can trick the victim to open a specially crafted file, trigger the untrusted Pointer dereference error and execute arbitrary code on the system.

Mitigation

Omron has released an updated version of CX-One to address the reported vulnerabilities. These releases are available through the CX-One auto-update service and are as follows:

• CX-Protocol Version 2.03
• CX-Server Version 5.0.29
• CX-Position Version 2.53

Vulnerable software versions

CX-One: 4.40 - 4.60

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External links
http://ics-cert.us-cert.gov/advisories/icsa-21-007-02

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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.