CVE-2004-1021

CVE-2004-1021 describes a vulnerability in Apple iCal versions prior to 1.5.4 on Mac OS X 10.2.3 and later, where the application fails to alert users about alarms embedded in calendars. This oversight allows attackers to execute arbitrary programs or send emails through malicious calendar alarms. With a CVSS score of 7.5, this vulnerability is considered high severity, requiring no authentication and low attack complexity, potentially leading to compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.