CODESYS Control V2 communication
A crafted request may cause a heap-based buffer overflow in the affected CODESYS products, resulting in a denial-of-service condition.CVE-2021-30186 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). A crafted request may cause a stack-based buffer overflow in the affected CODESYS products, resulting in a denial-of-service condition or remote code execution.CVE-2021-30188 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). A crafted request may cause a buffer over-read in the affected CODESYS products, resulting in a denial-of-service condition.CVE-2021-30195 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).