EUVD-2026-18158
2026-04-02
NCSC.ch
7.8
CVSS 4.0
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CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X
Lifecycle Timeline
3
EUVD ID Assigned
Apr 02, 2026 - 09:00 euvd
EUVD-2026-18158
Analysis Generated
Apr 02, 2026 - 09:00 vuln.today
CVE Published
Apr 02, 2026 - 08:52 nvd
HIGH 7.8
Description
SEPPmail Secure Email Gateway before version 15.0.3 allows account takeover by abusing GINA account initialization to reset a victim account password.
Analysis
Account takeover in SEPPmail Secure Email Gateway versions before 15.0.3 allows unauthenticated attackers to reset victim account passwords by abusing GINA account initialization functionality, enabling full mailbox compromise without requiring legitimate credentials or administrative access.
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Priority Score
39
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0
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