CVE-2026-90647 ASE/Kalkitech ASE2000 V2 - Man-in-the-Middle

ASE/Kalkitech ASE2000 V2 Communication Test Set 2.35 through 2.37 contains a man-in-the-middle vulnerability caused by improper certificate validation in the IEC 60870-5-104 TLS client (Task Mode), letting network-positioned attackers intercept protected communications, exploit requires attacker to be positioned on the network.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.21% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Man-in-the-Middle
Impact
Man In The Middle
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
12 September 2026
Updated
15 October 2026
Weakness
CWE-295

Vendor fix

Update to the latest version beyond 2.37.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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