Description In Moodle, insufficient capability checks made it possible to remove other users' calendar URL subscriptions. Remediation References CVE-2021-36400 Related Vulnerabilities Drupal Core 9.4.x Remote Code Execution (9.4.0 - 9.4.2) MySQL CVE-2021-2298 Vulnerability (CVE-2021-2298) TYPO3 Improper Input Validation Vulnerability (CVE-2020-15099) Apache Tomcat Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2005-4836) Internet Information Services Other Vulnerability (CVE-1999-0154) Severity Medium Classification CVE-2021-36400 CWE-639 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Tags Missing Update Known Vulnerabilities