{"id":"CVE-2021-33526","aliases":["EUVD-2021-20218","GHSA-2992-6547-hhfp"],"status":"published","title":"Privilege escalation in mbDIALUP \u003c= 3.9R0.0","description":"In MB connect line mbDIALUP versions \u003c= 3.9R0.0 a low privileged local attacker can send a command to the service running with NT AUTHORITY\\SYSTEM instructing it to execute a malicous OpenVPN configuration resulting in arbitrary code execution with the privileges of the service.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00253,"percentile":0.16948,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-08-02T10:24:29Z","modified":"2026-06-17T03:54:43Z","products":[{"vendor":"mb connect line","product":"mbdialup"},{"vendor":"mbconnectline","product":"mbdialup"}],"references":[{"url":"https://cert.vde.com/de-de/advisories/vde-2021-017","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33526"},{"url":"https://github.com/advisories/GHSA-2992-6547-hhfp"}],"sources":{"cve":[{"id":"CVE-2021-33526","title":"Privilege escalation in mbDIALUP \u003c= 3.9R0.0","description":"In MB connect line mbDIALUP versions \u003c= 3.9R0.0 a low privileged local attacker can send a command to the service running with NT AUTHORITY\\SYSTEM instructing it to execute a malicous OpenVPN configuration resulting in arbitrary code execution with the privileges of the service.","status":"published","published":"2021-08-02T10:24:29.999Z","modified":"2024-09-17T01:56:14.438Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20218","description":"In MB connect line mbDIALUP versions \u003c= 3.9R0.0 a low privileged local attacker can send a command to the service running with NT AUTHORITY\\SYSTEM instructing it to execute a malicous OpenVPN configuration resulting in arbitrary code execution with the privileges of the service.","status":"published","published":"2021-08-02T10:24:29Z","modified":"2024-09-17T01:56:14Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:45.29969Z"}],"ghsa":[{"id":"GHSA-2992-6547-hhfp","title":"In MB connect line mbDIALUP versions \u003c= 3.9R0.0 a low privileged local attacker can send a...","description":"In MB connect line mbDIALUP versions \u003c= 3.9R0.0 a low privileged local attacker can send a command to the service running with NT AUTHORITY\\SYSTEM instructing it to execute a malicous OpenVPN configuration resulting in arbitrary code execution with the privileges of the service.","status":"published","published":"2022-05-24T19:09:36Z","modified":"2023-01-30T05:01:11Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:46:21.550142Z"}],"nvd":[{"id":"CVE-2021-33526","description":"In MB connect line mbDIALUP versions \u003c= 3.9R0.0 a low privileged local attacker can send a command to the service running with NT AUTHORITY\\SYSTEM instructing it to execute a malicous OpenVPN configuration resulting in arbitrary code execution with the privileges of the service.","status":"published","published":"2021-08-02T11:15:11.223Z","modified":"2026-06-17T03:54:43.207Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:06:56.562207Z"}]}}