CVE-2021-34595

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition or local memory overwrite.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-823 CWE-119

Affected software

No affected versions have been published.

Timeline

Published: Oct 26, 2021
Last modified: Jun 17, 2026
NVD status: Analyzed

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