7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.008 Low
EPSS
Percentile
81.2%
admin/index.php in PHP iCalendar 2.3.4, 2.24, and earlier does not require
administrative authentication for an addupdate action, which allows remote
attackers to upload a calendar (aka .ics) file with arbitrary content to
the calendars/ directory outside the web root.