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.
History

Thu, 05 Mar 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Seppmail seppmail
CPEs cpe:2.3:a:seppmail:seppmail:*:*:*:*:*:*:*:*
Vendors & Products Seppmail seppmail
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}


Wed, 04 Mar 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 04 Mar 2026 09:15:00 +0000

Type Values Removed Values Added
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.
Title Header Email Address Parsing
First Time appeared Seppmail
Seppmail seppmail Secure Email Gateway
Weaknesses CWE-436
CPEs cpe:2.3:a:seppmail:seppmail_secure_email_gateway:*:*:*:*:*:*:*:*
Vendors & Products Seppmail
Seppmail seppmail Secure Email Gateway
References
Metrics cvssV4_0

{'score': 7.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:H/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published: 2026-03-04T08:47:05.758Z

Updated: 2026-03-04T19:28:55.122Z

Reserved: 2026-02-19T13:56:28.869Z

Link: CVE-2026-27444

cve-icon Vulnrichment

Updated: 2026-03-04T19:28:51.968Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-04T09:15:56.483

Modified: 2026-03-05T15:34:43.243

Link: CVE-2026-27444

cve-icon Redhat

No data.