Description
Multiple instances of incorrect calculation of buffer size in the Webmail and Administrative interface of FortiMail before 6.4.5 may allow an authenticated attacker with regular webmail access to trigger a buffer overflow and to possibly execute unauthorized code or commands via specifically crafted HTTP requests.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://fortiguard.com/advisory/FG-IR-21-023
Scores
CVSS v3
8.8
EPSS
0.0045
EPSS Percentile
63.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-120
Status
published
Products (1)
fortinet/fortimail
< 5.4.12
Published
Jul 09, 2021
Tracked Since
Feb 18, 2026