What’s Vulnerable › Vulnerabilities
CVE-2026-90647
- Severity: high (CVSS 7.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-12 · updated 2026-09-22
- Weakness: CWE-295
Description
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.
Affected products
- Kalkitech ASE2000 V2 Communication Test Set: from 2.35 before 2.38 — fixed in 2.38
How to fix
Upgrade to a fixed version: Kalkitech ASE2000 V2 Communication Test Set 2.38. Check the vendor advisory for mitigations.
References
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