A heap-based buffer overflow exists in the third-party product Gigasoft, v5 and prior, included in GE Communicator 3.15 and prior. A malicious HTML file that loads the ActiveX controls can trigger the vulnerability via unchecked function calls.
https://ics-cert.us-cert.gov/advisories/ICSA-18-275-02
http://www.securityfocus.com/bid/99580
Source: Mitre, NVD
Published: 2018-10-02
Updated: 2026-06-17
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Severity: High
EPSS: 0.00252