{"id":"CVE-2021-45915","aliases":["EUVD-2021-32630","GHSA-r5jx-7hcj-fp5q"],"status":"published","title":"In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie...","description":"In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value. This allows the attacker's session to be authenticated as any registered LuxCal user, including the site administrator.","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":"2026-11-11","score":0.01623,"percentile":0.76421,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2022-05-24T14:32:44Z","modified":"2026-06-17T04:14:14Z","products":[{"vendor":"luxsoft","product":"luxcal"}],"references":[{"url":"https://github.com/h1pmnh","tags":["x_refsource_MISC","x_transferred","Not Applicable"]},{"url":"https://twitter.com/h1pmnh","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.luxsoft.eu/index.php?pge=dload","tags":["x_refsource_CONFIRM","x_transferred","Product","Release Notes","Vendor Advisory"]},{"url":"https://h1pmnh.github.io/post/cve-luxcal-2021/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45915"},{"url":"https://github.com/advisories/GHSA-r5jx-7hcj-fp5q"}],"sources":{"cve":[{"id":"CVE-2021-45915","description":"In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value. This allows the attacker's session to be authenticated as any registered LuxCal user, including the site administrator.","status":"published","published":"2022-05-24T14:32:44Z","modified":"2024-08-04T04:54:31.026Z","updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-32630","description":"In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value. This allows the attacker's session to be authenticated as any registered LuxCal user, including the site administrator.","status":"published","published":"2022-05-24T14:32:44Z","modified":"2024-08-04T04:54:31Z","updated_at":"2026-11-03T03:08:25.222984Z"}],"ghsa":[{"id":"GHSA-r5jx-7hcj-fp5q","title":"In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie...","description":"In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value. This allows the attacker's session to be authenticated as any registered LuxCal user, including the site administrator.","status":"published","published":"2022-05-25T00:00:38Z","modified":"2023-02-01T05:08:39Z","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"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:50:49.403077Z"}],"nvd":[{"id":"CVE-2021-45915","description":"In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value. This allows the attacker's session to be authenticated as any registered LuxCal user, including the site administrator.","status":"published","published":"2022-05-24T15:15:07.6Z","modified":"2026-06-17T04:14:14.937Z","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"}],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}