{"id":"CVE-2025-61736","aliases":["EUVD-2025-203896","GHSA-56m3-38wm-p83g"],"status":"published","title":"iSTAR- Improper Validation of Certificate Expiration","description":"Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00105,"percentile":0.01076,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-298"],"published":"2025-12-17T12:36:24Z","modified":"2026-06-17T09:50:49Z","products":[{"vendor":"johnson controls","product":"istarex, istar edge, istar ultra lt, istar ultra , istar ultra se"}],"references":[{"url":"https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-25-338-04"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-61736"},{"url":"https://github.com/advisories/GHSA-56m3-38wm-p83g"}],"sources":{"cve":[{"id":"CVE-2025-61736","title":"iSTAR- Improper Validation of Certificate Expiration","description":"Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.","status":"published","published":"2025-12-17T12:36:24.178Z","modified":"2025-12-17T15:09:46.607Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-298"],"updated_at":"2026-11-02T14:32:45.105469Z"}],"euvd":[{"id":"EUVD-2025-203896","description":"Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.","status":"published","published":"2025-12-17T12:36:24Z","modified":"2025-12-17T15:09:46Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:49:04.015486Z"}],"ghsa":[{"id":"GHSA-56m3-38wm-p83g","title":"Successful exploitation of this vulnerability could result in the product failing to re-establish...","description":"Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.","status":"published","published":"2025-12-17T15:34:53Z","modified":"2025-12-17T15:35:00Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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-298"],"updated_at":"2026-11-02T15:05:14.584234Z"}],"nvd":[{"id":"CVE-2025-61736","description":"Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.","status":"published","published":"2025-12-17T13:15:58.217Z","modified":"2026-06-17T09:50:49.51Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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-298"],"updated_at":"2026-11-02T14:11:51.309584Z"}]}}