CVE-2021-33486

HIGH

CODESYS V3 Runtime Toolkit for VxWorks <V3.5.17.10 - Memory Corruption

Title source: llm

Description

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.

References (1)

[Vendor Advisory] https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14806&token=637e12e86301b83beac1653bd88da3aa5aa3f51b&download=

Scores

CVSS v3 7.5

EPSS 0.0039

EPSS Percentile 59.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-755

Status published

Affected Products (1)

codesys/runtime_toolkit < 3.5.17.10

Timeline

Published Aug 03, 2021

Tracked Since Feb 18, 2026