VULNERABILITY INTELLIGENCE

CVE-2021-34595

CVSS score8.1 HIGH
EPSS probability0.85%
CISA KEVNot currently listed
Published2021-10-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

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.

Weakness classification

  • info@cert.vde.com: CWE-823
  • nvd@nist.gov: CWE-119

Primary references