https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-02T10:58:57.968848+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2021-34593 CVE-2021-34593 — CODESYS V2 runtime: unauthenticated invalid requests may result in denial-of-service 2026-10-02T10:58:57.970030+00:00

Affected: CODESYS V2

In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.