VULNERABILITY INTELLIGENCE

CVE-2021-33000

CVSS score7.8 HIGH
EPSS probability1.04%
CISA KEVNot currently listed
Published2021-06-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

Parsing a maliciously crafted project file may cause a heap-based buffer overflow, which may allow an attacker to perform arbitrary code execution. User interaction is required on the WebAccess HMI Designer (versions 2.1.9.95 and prior).

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-122
  • nvd@nist.gov: CWE-787

Primary references