Clearswift MAILsweeper before 4.3.15 does not properly detect and filter RAR 3.20 encoded files, which allows remote attackers to bypass intended policy.
http://www.corsaire.com/advisories/c030807-001.txt
http://marc.info/?l=bugtraq&m=109241692108678&w=2
Source: Mitre, NVD
Published: 2004-09-28
Updated: 2016-10-18
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: Critical