CVE-2017-17974: Basystems BAS920 Firmware
Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.
BA SYSTEMS BAS Web on BAS920 devices (with Firmware 01.01.00*, HTTPserv 00002, and Script 02.*) and ISC2000 devices allows remote attackers to obtain sensitive information via a request for isc/get_sid_js.aspx or isc/get_sid.aspx, as demonstrated by obtaining administrative access by subsequently using the credential information for the Supervisor/Administrator account.
Affected products
Published 2017-12-29. Last modified 2026-06-17.