{"id":"CVE-2017-17974","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-17974","generatedAt":"2026-10-29T00:41:13.638Z","title":"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…","description":"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.","published":"2017-12-29T21:29:00.000Z","lastModified":"2026-06-17T01:11:59.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["basystems/bas920 firmware","basystems/isc2000 firmware"],"epss":{"score":0.0166,"percentile":0.76551,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://misteralfa-hack.blogspot.cl/2017/12/ba-system-improper-access-control.html","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/ezelf/baCK_system","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://misteralfa-hack.blogspot.cl/2017/12/ba-system-improper-access-control.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/ezelf/baCK_system","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-17974","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}