CVE-2026-90647
CVSS Score
7.4
EPSS Score
0.1%
EPSS Percentile
3th
ASE/Kalkitech ASE2000 V2 Communication Test Set 2.35 through 2.37 on Windows contains an improper certificate validation vulnerability in the IEC 60870-5-104 TLS client (Task Mode). This allows a network-positioned attacker to bypass certificate validation via a certificate with multiple simultaneous faults, enabling a Man-in-the-Middle attack on protected communications.
| CWE | CWE-295 |
| Vendor | kalkitech |
| Product | ase2000 v2 communication test set |
| Published | Sep 12, 2026 |
| Last Updated | Sep 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
Kalkitech / ASE2000 V2 Communication Test Set
2.35 < 2.38