CVE-2026-18717

critical · 9.1

ASE2000 2.35 through 2.37 is vulnerable to an improper certificate validation vulnerability, which may allow an attacker to impersonate the trusted peer, complete the TLS handshake, and read or modify protected communications.

9.1

CVSS

0.3%

EPSS (exploit prob.)

19th

EPSS percentile

2026-08-28

Published

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/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

Weaknesses

CWE-295

References

http://www.ase-systems.com
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-239-04.json
https://www.cisa.gov/news-events/ics-advisories/icsa-26-239-04

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-18717