{ "schema_version": "1.4.0", "id": "GHSA-wg24-w7m2-vvwp", "modified": "2022-05-24T19:06:59Z", "published": "2022-05-24T19:06:59Z", "aliases": [ "CVE-2021-21789" ], "details": "A privilege escalation vulnerability exists in the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O write requests. During IOCTL 0x9c40a0e0, the first dword passed in the input buffer is the device port to write to and the dword at offset 4 is the value to write via the OUT instruction. A local attacker can send a malicious IRP to trigger this vulnerability.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21789" }, { "type": "WEB", "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1254" }, { "type": "WEB", "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1254\"" } ], "database_specific": { "cwe_ids": [], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-07-07T17:15:00Z" } }