{"id":"CVE-2024-1195","aliases":["EUVD-2024-16962","GHSA-pjx4-f26p-jc98"],"status":"published","title":"iTop VPN IOCTL ITopVpnCallbackProcess.sys denial of service","description":"A vulnerability classified as critical was found in iTop VPN up to 4.0.0.1. Affected by this vulnerability is an unknown functionality in the library ITopVpnCallbackProcess.sys of the component IOCTL Handler. The manipulation leads to denial of service. The attack needs to be approached locally. The identifier VDB-252685 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00255,"percentile":0.17197,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-404"],"published":"2024-02-02T21:31:04Z","modified":"2026-06-17T07:03:41Z","products":[{"vendor":"iobit","product":"itop_vpn"},{"vendor":"itop","product":"vpn"}],"references":[{"url":"https://vuldb.com/?id.252685","tags":["vdb-entry","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?ctiid.252685","tags":["signature","permissions-required","x_transferred","Permissions Required","Third Party Advisory","VDB Entry"]},{"url":"https://www.youtube.com/watch?v=JdQMINPVJd8","tags":["media-coverage","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-1195"},{"url":"https://github.com/advisories/GHSA-pjx4-f26p-jc98"}],"sources":{"cve":[{"id":"CVE-2024-1195","title":"iTop VPN IOCTL ITopVpnCallbackProcess.sys denial of service","description":"A vulnerability classified as critical was found in iTop VPN up to 4.0.0.1. Affected by this vulnerability is an unknown functionality in the library ITopVpnCallbackProcess.sys of the component IOCTL Handler. The manipulation leads to denial of service. The attack needs to be approached locally. The identifier VDB-252685 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-02-02T21:31:04.043Z","modified":"2024-08-21T15:36:30.204Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"},{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:S/C:N/I:N/A:C","assessor":"cna"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:34:18.597034Z"}],"euvd":[{"id":"EUVD-2024-16962","description":"A vulnerability classified as critical was found in iTop VPN up to 4.0.0.1. Affected by this vulnerability is an unknown functionality in the library ITopVpnCallbackProcess.sys of the component IOCTL Handler. The manipulation leads to denial of service. The attack needs to be approached locally. The identifier VDB-252685 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-02-02T21:31:04Z","modified":"2024-08-21T15:36:30Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:56:14.188111Z"}],"ghsa":[{"id":"GHSA-pjx4-f26p-jc98","title":"A vulnerability classified as critical was found in iTop VPN up to 4.0.0.1. Affected by this...","description":"A vulnerability classified as critical was found in iTop VPN up to 4.0.0.1. Affected by this vulnerability is an unknown functionality in the library ITopVpnCallbackProcess.sys of the component IOCTL Handler. The manipulation leads to denial of service. The attack needs to be approached locally. The identifier VDB-252685 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-02-03T00:31:34Z","modified":"2024-02-03T00:31:41Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:55:32.369456Z"}],"nvd":[{"id":"CVE-2024-1195","description":"A vulnerability classified as critical was found in iTop VPN up to 4.0.0.1. Affected by this vulnerability is an unknown functionality in the library ITopVpnCallbackProcess.sys of the component IOCTL Handler. The manipulation leads to denial of service. The attack needs to be approached locally. The identifier VDB-252685 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-02-02T22:15:25.757Z","modified":"2026-06-17T07:03:41.04Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:S/C:N/I:N/A:C","level":"medium","assessor":"secondary"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:09:34.891666Z"}]}}