CVE-2020-27257

Omron CX-One

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

This vulnerability allows local attackers to execute arbitrary code due to the lack of proper validation of user-supplied data, which can result in a type-confusion condition in the Omron CX-One Version 4.60 and prior devices.

Esta vulnerabilidad permite a atacantes locales ejecutar código arbitrario debido a una falta de comprobación apropiada de los datos suministrados por un usuario, lo que puede resultar en una condición de confusión de tipos en Omron CX-One Versión 4.60 y dispositivos anteriores

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Omron CX-One. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of PSW files by the CX-Protocol application. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: rgod

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-10-19 CVE Reserved
2021-02-09 CVE Published
2024-09-17 CVE Updated
2024-10-09 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

CAPEC

References (2)

URL	Tag	Source
https://us-cert.cisa.gov/ics/advisories/icsa-21-007-02	Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-184	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Omron Search vendor "Omron"		Cx-one Search vendor "Omron" for product "Cx-one"				<= 4.60 Search vendor "Omron" for product "Cx-one" and version " <= 4.60"		-		Affected
Omron Search vendor "Omron"		Cx-position Search vendor "Omron" for product "Cx-position"				<= 2.52 Search vendor "Omron" for product "Cx-position" and version " <= 2.52"		-		Affected
Omron Search vendor "Omron"		Cx-protocol Search vendor "Omron" for product "Cx-protocol"				<= 2.02 Search vendor "Omron" for product "Cx-protocol" and version " <= 2.02"		-		Affected
Omron Search vendor "Omron"		Cx-server Search vendor "Omron" for product "Cx-server"				<= 5.0.28 Search vendor "Omron" for product "Cx-server" and version " <= 5.0.28"		-		Affected