CVE-2026-90647EPSS p10.6%
CVE-2026-90647CVE-2026-90647
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.
Scoring
| CVSS | 7.4 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| EPSS | 0.21% probability of exploitation · percentile 10.6% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-22 |