Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing.
History

Tue, 22 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 20 Sep 2026 00:45:00 +0000

Type Values Removed Values Added
Title SMTP Smuggling Vulnerability in Exim Pre-4.100.1

Sat, 19 Sep 2026 23:00:00 +0000

Type Values Removed Values Added
Description Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing.
First Time appeared Exim
Exim exim
Weaknesses CWE-93
CPEs cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
Vendors & Products Exim
Exim exim
References
Metrics cvssV3_1

{'score': 4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-09-19T22:55:00.348Z

Updated: 2026-09-22T15:59:36.582Z

Reserved: 2026-09-19T22:54:59.821Z

Link: CVE-2026-94057

cve-icon Vulnrichment

Updated: 2026-09-22T15:59:28.572Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-19T23:17:11.257

Modified: 2026-09-24T20:40:10.563

Link: CVE-2026-94057

cve-icon Redhat

No data.