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CVE-2022-32138

nvd nist
Published: Jun 24, 2022Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: info@cert.vde.com (Secondary)

Description

In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite.

Affected (2)

Codesys
2 products
Plcwinnt
Runtime Toolkit
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Plcwinnt
From 2.0 to 2.4.7.57
Runtime Toolkit
From 2.0 to 2.4.7.57

Related CWEs

CWE-194
Unexpected Sign Extension
The product performs an operation on a number that causes it to be sign extended when it is transformed into a larger data type. When the original number is negative, this can produce unexpected values that lead to resultant weaknesses.

References (2)

Source: info@cert.vde.com
MitigationVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
MitigationVendor Advisory

Timeline

No history available yet.