Critical severity9.1NVD Advisory· Published May 25, 2021· Updated Jun 17, 2026
CVE-2021-30194
CVE-2021-30194
Description
CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Read.
Affected products
30cpe:2.3:a:codesys:v2_web_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:codesys:v2_web_server:*:*:*:*:*:*:*:*range: <1.1.9.20
- (no CPE)
- Range: <1.1.9.20
Patches
Vulnerability mechanics
References
2- customers.codesys.com/index.phpnvdPermissions RequiredVendor Advisory
- customers.codesys.com/index.phpnvdVendor Advisory
News mentions
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