CVE-2020-12038

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Products that use EDS Subsystem: Version 28.0.1 and prior (FactoryTalk Linx software (Previously called RSLinx Enterprise): Versions 6.00, 6.10, and 6.11, RSLinx Classic: Version 4.11.00 and prior, RSNetWorx software: Version 28.00.00 and prior, Studio 5000 Logix Designer software: Version 32 and prior) is vulnerable. A memory corruption vulnerability exists in the algorithm that matches square brackets in the EDS subsystem. This may allow an attacker to craft specialized EDS files to crash the EDSParser COM object, leading to denial-of-service conditions.

Productos que usan EDS Subsystem: versión 28.0.1 y anteriores (software FactoryTalk Linx (anteriormente llamado RSLinx Enterprise): versiones 6.00, 6.10 y 6.11, RSLinx Classic: versión 4.11.00 y anteriores, software RSNetWorx: versión 28.00.00 y anteriores , software Studio 5000 Logix Designer: versión 32 y anteriores), es vulnerable. Se presenta una vulnerabilidad de corrupción de memoria en el algoritmo que coincide con los corchetes en el subsistema EDS. Esto puede permitir a un atacante crear archivos EDS especializados para bloquear el objeto COM EDSParser, conllevando a condiciones de denegación de servicio.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-04-21 CVE Reserved
2020-05-19 CVE Published
2023-04-11 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787: Out-of-bounds Write

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://www.us-cert.gov/ics/advisories/icsa-20-140-01	2021-09-23

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Rockwellautomation Search vendor "Rockwellautomation"		Eds Subsystem Search vendor "Rockwellautomation" for product "Eds Subsystem"				<= 28.0.1 Search vendor "Rockwellautomation" for product "Eds Subsystem" and version " <= 28.0.1"		-		Affected
Rockwellautomation Search vendor "Rockwellautomation"		Rslinx Search vendor "Rockwellautomation" for product "Rslinx"				<= 4.11.00 Search vendor "Rockwellautomation" for product "Rslinx" and version " <= 4.11.00"		classic		Affected
Rockwellautomation Search vendor "Rockwellautomation"		Rslinx Enterprise Search vendor "Rockwellautomation" for product "Rslinx Enterprise"				6.00.00 Search vendor "Rockwellautomation" for product "Rslinx Enterprise" and version "6.00.00"		-		Affected
Rockwellautomation Search vendor "Rockwellautomation"		Rslinx Enterprise Search vendor "Rockwellautomation" for product "Rslinx Enterprise"				6.10.00 Search vendor "Rockwellautomation" for product "Rslinx Enterprise" and version "6.10.00"		-		Affected
Rockwellautomation Search vendor "Rockwellautomation"		Rslinx Enterprise Search vendor "Rockwellautomation" for product "Rslinx Enterprise"				6.11.00 Search vendor "Rockwellautomation" for product "Rslinx Enterprise" and version "6.11.00"		-		Affected
Rockwellautomation Search vendor "Rockwellautomation"		Rsnetworx Search vendor "Rockwellautomation" for product "Rsnetworx"				<= 28.00.00 Search vendor "Rockwellautomation" for product "Rsnetworx" and version " <= 28.00.00"		-		Affected
Rockwellautomation Search vendor "Rockwellautomation"		Studio 5000 Logix Designer Search vendor "Rockwellautomation" for product "Studio 5000 Logix Designer"				<= 32.0 Search vendor "Rockwellautomation" for product "Studio 5000 Logix Designer" and version " <= 32.0"		-		Affected