CVE-2021-34583

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Crafted web server requests may cause a heap-based buffer overflow and could therefore trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-122CWE-787

Affected software

No affected versions have been published.

Timeline

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

Related CVEs from 2021

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CVE-2021-34583: High severity, CVSS 7.5 | Vulnix