CVE-2023-37555

CODESYS Improper Input Validation in CmpAppBP

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

In multiple versions of multiple Codesys products, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpAppBP component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37552, CVE-2023-37553, CVE-2023-37554 and CVE-2023-37556.

En múltiples versiones de múltiples productos de Codesys, después de una autenticación exitosa como usuario, las solicitudes de comunicación de red específicas con contenido inconsistente pueden causar que el componente CmpAppBP lea internamente desde una dirección inválida, potencialmente llevando a una condición de denegación de servicio. Esta vulnerabilidad es diferente de CVE-2023-37552, CVE-2023-37553, CVE-2023-37554 y CVE-2023-37556.

*Credits: Vladimir Tokarev, Section 52, Azure IoT Security at Microsoft

CVSS Scores

CERT VDEv3.1 6.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-07-07 CVE Reserved
2023-08-03 CVE Published
2024-08-09 EPSS Updated
2024-10-09 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (1)

URL	Tag	Source
https://cert.vde.com/en/advisories/VDE-2023-019	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
Codesys Search vendor "Codesys"		Control For Beaglebone Sl Search vendor "Codesys" for product "Control For Beaglebone Sl"				< 4.10.0.0 Search vendor "Codesys" for product "Control For Beaglebone Sl" and version " < 4.10.0.0"		-		Affected
Codesys Search vendor "Codesys"		Control For Empc-a\/imx6 Sl Search vendor "Codesys" for product "Control For Empc-a\/imx6 Sl"				< 4.10.0.0 Search vendor "Codesys" for product "Control For Empc-a\/imx6 Sl" and version " < 4.10.0.0"		-		Affected
Codesys Search vendor "Codesys"		Control For Iot2000 Sl Search vendor "Codesys" for product "Control For Iot2000 Sl"				< 4.10.0.0 Search vendor "Codesys" for product "Control For Iot2000 Sl" and version " < 4.10.0.0"		-		Affected
Codesys Search vendor "Codesys"		Control For Linux Sl Search vendor "Codesys" for product "Control For Linux Sl"				< 4.10.0.0 Search vendor "Codesys" for product "Control For Linux Sl" and version " < 4.10.0.0"		-		Affected
Codesys Search vendor "Codesys"		Control For Pfc100 Sl Search vendor "Codesys" for product "Control For Pfc100 Sl"				< 4.10.0.0 Search vendor "Codesys" for product "Control For Pfc100 Sl" and version " < 4.10.0.0"		-		Affected
Codesys Search vendor "Codesys"		Control For Pfc200 Sl Search vendor "Codesys" for product "Control For Pfc200 Sl"				< 4.10.0.0 Search vendor "Codesys" for product "Control For Pfc200 Sl" and version " < 4.10.0.0"		-		Affected
Codesys Search vendor "Codesys"		Control For Plcnext Sl Search vendor "Codesys" for product "Control For Plcnext Sl"				< 4.10.0.0 Search vendor "Codesys" for product "Control For Plcnext Sl" and version " < 4.10.0.0"		-		Affected
Codesys Search vendor "Codesys"		Control For Raspberry Pi Sl Search vendor "Codesys" for product "Control For Raspberry Pi Sl"				< 4.10.0.0 Search vendor "Codesys" for product "Control For Raspberry Pi Sl" and version " < 4.10.0.0"		-		Affected
Codesys Search vendor "Codesys"		Control For Wago Touch Panels 600 Sl Search vendor "Codesys" for product "Control For Wago Touch Panels 600 Sl"				< 4.10.0.0 Search vendor "Codesys" for product "Control For Wago Touch Panels 600 Sl" and version " < 4.10.0.0"		-		Affected
Codesys Search vendor "Codesys"		Control Rte Sl Search vendor "Codesys" for product "Control Rte Sl"				< 3.5.19.20 Search vendor "Codesys" for product "Control Rte Sl" and version " < 3.5.19.20"		-		Affected
Codesys Search vendor "Codesys"		Control Rte Sl \(for Beckhoff Cx\) Search vendor "Codesys" for product "Control Rte Sl \(for Beckhoff Cx\)"				< 3.5.19.20 Search vendor "Codesys" for product "Control Rte Sl \(for Beckhoff Cx\)" and version " < 3.5.19.20"		-		Affected
Codesys Search vendor "Codesys"		Control Runtime System Toolkit Search vendor "Codesys" for product "Control Runtime System Toolkit"				< 3.5.19.20 Search vendor "Codesys" for product "Control Runtime System Toolkit" and version " < 3.5.19.20"		-		Affected
Codesys Search vendor "Codesys"		Control Win Sl Search vendor "Codesys" for product "Control Win Sl"				< 3.5.19.20 Search vendor "Codesys" for product "Control Win Sl" and version " < 3.5.19.20"		-		Affected
Codesys Search vendor "Codesys"		Development System Search vendor "Codesys" for product "Development System"				< 3.5.19.20 Search vendor "Codesys" for product "Development System" and version " < 3.5.19.20"		-		Affected
Codesys Search vendor "Codesys"		Hmi Search vendor "Codesys" for product "Hmi"				< 3.5.19.20 Search vendor "Codesys" for product "Hmi" and version " < 3.5.19.20"		-		Affected
Codesys Search vendor "Codesys"		Safety Sil2 Search vendor "Codesys" for product "Safety Sil2"				< 3.5.19.20 Search vendor "Codesys" for product "Safety Sil2" and version " < 3.5.19.20"		-		Affected