Description
SEPPmail Secure Email Gateway before version 15.0.1 incorrectly interprets email addresses in the email headers, causing an interpretation conflict with other mail infrastructure that allows an attacker to fake the source of the email or decrypt it.
Scores
CVSS v3
7.5
EPSS
0.0004
EPSS Percentile
13.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-436
Status
published
Products (1)
seppmail/seppmail
< 15.0.1
Published
Mar 04, 2026
Tracked Since
Mar 04, 2026