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Critical · 9.1 CVE-2021-34584 EUVD-2021-21234GHSA-j5c2-6xq9-fj5m

CODESYS V2 web server: crafted requests could trigger a buffer over-read (DoS)

Published Oct 26, 2021 · Updated Sep 16, 2024 · Assigned by CERTVDE

Description

Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.

Affected products

VendorProductAffectedFixed
CODESYS CODESYS V2 all web servers – < V1.1.9.22 V1.1.9.22

Advisories 1

References