CVE-2021-27852
Checkbox Survey Deserialization of Untrusted Data Vulnerability
Deserialization of Untrusted Data vulnerability in CheckboxWeb.dll of Checkbox Survey allows an unauthenticated remote attacker to execute arbitrary code. Vendor/Product: Checkbox Checkbox Survey. Added to CISA KEV 2022-04-11; required action: Versions 6 and earlier for this product are end-of-life and must be removed from agency networks. Versions 7 and later are not considered vulnerable.