{"id":"CVE-2026-21661","aliases":["EUVD-2026-27865","GHSA-qcgm-qmr8-52ww"],"status":"published","title":"AC2000 Uncontrolled Search Path Element","description":"An Uncontrolled Search Path Element vulnerability in JohnsonControls AC2000 on Windows allows Leveraging/Manipulating Configuration File Search Paths.\n\nThis issue affects AC2000: from 10.6 before release 10, from 11.0 before release 9, from 12 before release 3.","severity":{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00108,"percentile":0.01179,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-427"],"published":"2026-05-06T16:21:13Z","modified":"2026-10-26T19:10:00Z","products":[{"vendor":"johnson controls","product":"ac2000"},{"vendor":"johnsoncontrols","product":"ac2000"}],"references":[{"url":"https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21661"},{"url":"https://github.com/advisories/GHSA-qcgm-qmr8-52ww"}],"sources":{"cve":[{"id":"CVE-2026-21661","title":"AC2000 Uncontrolled Search Path Element","description":"An Uncontrolled Search Path Element vulnerability in JohnsonControls AC2000 on Windows allows Leveraging/Manipulating Configuration File Search Paths.\n\nThis issue affects AC2000: from 10.6 before release 10, from 11.0 before release 9, from 12 before release 3.","status":"published","published":"2026-05-06T16:21:13.885Z","modified":"2026-08-24T17:59:50.235Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-27865","description":"An Uncontrolled Search Path Element vulnerability in JohnsonControls AC2000 on Windows allows Leveraging/Manipulating Configuration File Search Paths.\n\nThis issue affects AC2000: from 10.6 before release 10, from 11.0 before release 9, from 12 before release 3.","status":"published","published":"2026-05-06T16:21:13Z","modified":"2026-08-24T17:59:50Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:01:34.563496Z"}],"ghsa":[{"id":"GHSA-qcgm-qmr8-52ww","title":"Uncontrolled Search Path Element vulnerability in JohnsonControls AC2000 on Windows allows...","description":"Uncontrolled Search Path Element vulnerability in JohnsonControls AC2000 on Windows allows Leveraging/Manipulating Configuration File Search Paths.\n\nThis issue affects AC2000: from 10.6 before release 10, from 11.0 before release 9, from 12 before release 3.","status":"published","published":"2026-05-06T18:30:31Z","modified":"2026-05-06T18:30:42Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/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","level":"high"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T15:07:55.247215Z"}],"nvd":[{"id":"CVE-2026-21661","description":"An Uncontrolled Search Path Element vulnerability in JohnsonControls AC2000 on Windows allows Leveraging/Manipulating Configuration File Search Paths.\n\nThis issue affects AC2000: from 10.6 before release 10, from 11.0 before release 9, from 12 before release 3.","status":"published","published":"2026-05-06T17:16:21.89Z","modified":"2026-10-26T19:10:00.163Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/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","level":"high","assessor":"secondary"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T14:12:17.418622Z"}]}}