{"id":"CVE-2021-35296","aliases":["EUVD-2021-21939","GHSA-6ff3-hggp-pc89"],"status":"published","title":"An issue in the administrator authentication panel of PTCL HG150-Ub v3.0 allows attackers to...","description":"An issue in the administrator authentication panel of PTCL HG150-Ub v3.0 allows attackers to bypass authentication via modification of the cookie value and Response Path.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01992,"percentile":0.80818,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-287"],"published":"2021-10-04T16:39:47Z","modified":"2026-06-17T03:57:24Z","exploits":[{"source":"pocgithub","id":"afaq1337/CVE-2021-35296","title":"afaq1337/CVE-2021-35296","date":"2021-09-30","url":"https://github.com/afaq1337/CVE-2021-35296"}],"products":[{"vendor":"ptcl","product":"hg150-ub_firmware"}],"references":[{"url":"https://github.com/afaq1337/CVE-2021-35296","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35296"},{"url":"https://github.com/advisories/GHSA-6ff3-hggp-pc89"}],"sources":{"cve":[{"id":"CVE-2021-35296","description":"An issue in the administrator authentication panel of PTCL HG150-Ub v3.0 allows attackers to bypass authentication via modification of the cookie value and Response Path.","status":"published","published":"2021-10-04T16:39:47Z","modified":"2024-08-04T00:33:51.294Z","updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-21939","description":"An issue in the administrator authentication panel of PTCL HG150-Ub v3.0 allows attackers to bypass authentication via modification of the cookie value and Response Path.","status":"published","published":"2021-10-04T16:39:47Z","modified":"2024-08-04T00:33:51Z","updated_at":"2026-11-03T03:24:30.441845Z"}],"ghsa":[{"id":"GHSA-6ff3-hggp-pc89","title":"An issue in the administrator authentication panel of PTCL HG150-Ub v3.0 allows attackers to...","description":"An issue in the administrator authentication panel of PTCL HG150-Ub v3.0 allows attackers to bypass authentication via modification of the cookie value and Response Path.","status":"published","published":"2022-05-24T19:16:29Z","modified":"2023-01-30T05:02:34Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:46:40.355653Z"}],"nvd":[{"id":"CVE-2021-35296","description":"An issue in the administrator authentication panel of PTCL HG150-Ub v3.0 allows attackers to bypass authentication via modification of the cookie value and Response Path.","status":"published","published":"2021-10-04T17:15:07.747Z","modified":"2026-06-17T03:57:24.87Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:06:59.314106Z"}]}}