QSearchQSearch

CVE-2021-33485

9.8 CRITICAL

CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow

Published: 2021-08-03 · Last updated: 2026-05-29

Severity and scoring

CVSS
9.8 CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-122, CWE-787

Affected products

VendorProduct
codesyscontrol, control_rte, control_runtime_system_toolkit

Description

CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2026-44469 — The affected product extracts installation files to a temporary directory with incorrect default permissions during administrative instal... (7.8 HIGH)
  • CVE-2026-44468 — The affected product creates a directory with insecure default permissions during administrative installation (7.8 HIGH)
  • CVE-2026-0393 — The affected product may expose credentials remotely between low privileged visualization users during concurrent login operations due to... (6.5 MEDIUM)
  • CVE-2021-29241 — CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS) (7.5 HIGH)

Same CWE

  • CVE-2026-53465 — ImageMagick is free and open-source software used for editing and manipulating digital images (6.2 MEDIUM)
  • CVE-2026-53461 — ImageMagick is free and open-source software used for editing and manipulating digital images (7.5 HIGH)
  • CVE-2026-48994 — ImageMagick is free and open-source software used for editing and manipulating digital images (5.9 MEDIUM)
  • CVE-2026-48724 — ImageMagick is free and open-source software used for editing and manipulating digital images (5.5 MEDIUM)
  • CVE-2026-46692 — ImageMagick is free and open-source software used for editing and manipulating digital images (4.1 MEDIUM)