{"id":"CVE-2021-35053","aliases":["EUVD-2021-21698","GHSA-cc54-3ghq-hp7j"],"status":"published","title":"Possible system denial of service in case of arbitrary changing Firefox browser parameters. An...","description":"Possible system denial of service in case of arbitrary changing Firefox browser parameters. An attacker could change specific Firefox browser parameters file in a certain way and then reboot the system to make the system unbootable.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02601,"percentile":0.85556,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-11-03T19:11:26Z","modified":"2026-06-17T03:57:02Z","products":[{"vendor":"kaspersky","product":"endpoint_security"},{"vendor":"kaspersky","product":"kaspersky endpoint security for windows"}],"references":[{"url":"https://support.kaspersky.com/general/vulnerability.aspx?el=12430#01112021","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1280/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-431/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35053"},{"url":"https://github.com/advisories/GHSA-cc54-3ghq-hp7j"}],"sources":{"cve":[{"id":"CVE-2021-35053","description":"Possible system denial of service in case of arbitrary changing Firefox browser parameters. An attacker could change specific Firefox browser parameters file in a certain way and then reboot the system to make the system unbootable.","status":"published","published":"2021-11-03T19:11:26Z","modified":"2024-08-04T00:33:50.745Z","updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-21698","description":"Possible system denial of service in case of arbitrary changing Firefox browser parameters. An attacker could change specific Firefox browser parameters file in a certain way and then reboot the system to make the system unbootable.","status":"published","published":"2021-11-03T19:11:26Z","modified":"2024-08-04T00:33:50Z","updated_at":"2026-11-03T03:24:30.986651Z"}],"ghsa":[{"id":"GHSA-cc54-3ghq-hp7j","title":"Possible system denial of service in case of arbitrary changing Firefox browser parameters. An...","description":"Possible system denial of service in case of arbitrary changing Firefox browser parameters. An attacker could change specific Firefox browser parameters file in a certain way and then reboot the system to make the system unbootable.","status":"published","published":"2022-05-24T19:19:31Z","modified":"2023-01-30T05:03:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:46:51.429276Z"}],"nvd":[{"id":"CVE-2021-35053","description":"Possible system denial of service in case of arbitrary changing Firefox browser parameters. An attacker could change specific Firefox browser parameters file in a certain way and then reboot the system to make the system unbootable.","status":"published","published":"2021-11-03T20:15:08.347Z","modified":"2026-06-17T03:57:02.977Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:00.549994Z"}]}}