V2 Web Server

v2_web_server

Vendor: Codesys • 6 CVEs

CVEs (6)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2021-30194 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 May 25, 2021 N/A· v4 9.1 CRITICAL· v3 6.4 MEDIUM· v2 CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Read.
CVE-2021-30193 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 May 25, 2021 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Write.
CVE-2021-30192 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 May 25, 2021 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2 Web-Server before 1.1.9.20 has an Improperly Implemented Security Check.
CVE-2021-30191 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 May 25, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 CODESYS V2 Web-Server before 1.1.9.20 has a a Buffer Copy without Checking the Size of the Input.
CVE-2021-30190 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 May 25, 2021 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2 Web-Server before 1.1.9.20 has Improper Access Control.
CVE-2021-30189 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 May 25, 2021 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.