VULNERABILITY INTELLIGENCE

CVE-2021-34586

CVSS score7.5 HIGH
EPSS probability13.74%
CISA KEVNot currently listed
Published2021-10-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition.

Weakness classification

  • info@cert.vde.com: CWE-476
  • nvd@nist.gov: CWE-476

Primary references