CVE-2021-33486

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions.

Todas las versiones de CODESYS V3 Runtime Toolkit para VxWorks a partir de la versión V3.5.8.0 y versiones anteriores V3.5.17.10, presentan un Manejo Inapropiado de Condiciones Excepcionales

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-05-21 CVE Reserved
2021-08-03 CVE Published
2024-04-18 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-755: Improper Handling of Exceptional Conditions

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14806&token=637e12e86301b83beac1653bd88da3aa5aa3f51b&download=	2021-08-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Codesys Search vendor "Codesys"		Runtime Toolkit Search vendor "Codesys" for product "Runtime Toolkit"				>= 3.5.8.0 < 3.5.17.10 Search vendor "Codesys" for product "Runtime Toolkit" and version " >= 3.5.8.0 < 3.5.17.10"		vxworks		Affected