CVE-2022-30791

CODESYS V3 contains a vulnerability in the CmpBlkDrvTcp component where uncontrolled resource consumption can cause the system to block new TCP connections. Existing connections remain unaffected. This CVE-2022-30791 entry is corroborated by multiple sources (e.g., NVD), but the connected documen...

CVE-2019-18858

CODESYS V3 web server (distributed with CODESYS Control runtime systems) is affected by a heap/buffer overflow before version 3.5.15.20. The issue arises from improper validation in the web server URL handling, allowing remote, unauthenticated attackers to crash or potentially overwrite memory. M...

CVE-2019-9008

CVE-2019-9008 concerns 3S-Smart CODESYS V3 online user management with the CmpUserMgr component. Affected products (prior to version 3.5.13.0) may suffer Incorrect Permission Assignment for Critical Resource , allowing an authenticated remote attacker to access or manipulate restricted functional...

CVE-2019-9009

CVE-2019-9009 affects 3S-Smart CODESYS V3 runtime systems prior to 3.5.15.0. A crafted network packet can cause the Control Runtime to crash, enabling a remote denial of service. The issue is associated with CODESYS V3 products containing a communication server, and patches are available in versi...

CVE-2022-30792

CVE-2022-30792 concerns CODESYS V3’s CmpChannelServer, where an uncontrolled resource consumption flaw allows an unauthorized attacker to block new communication channel connections. The impact is limited to availability (existing connections remain functional), with CVSS indicating high impact (...