PHP iCalendar 2.24 and earlier allows remote attackers to bypass authentication by setting the phpicalendar and phpicalendar_login cookies to 1.
https://www.exploit-db.com/exploits/6526
https://exchange.xforce.ibmcloud.com/vulnerabilities/45338
http://securityreason.com/securityalert/4865
Source: Mitre, NVD
Published: 2009-01-05
Updated: 2017-09-29
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical