{"id":"CVE-2022-28965","aliases":["EUVD-2022-33397","GHSA-rpg4-8g9f-9p3r"],"status":"published","title":"Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast...","description":"Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00295,"percentile":0.22305,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-427"],"published":"2022-05-20T01:13:39Z","modified":"2026-06-17T04:39:22Z","products":[{"vendor":"avast","product":"premium_security"}],"references":[{"url":"https://github.com/netero1010/Vulnerability-Disclosure/tree/main/CVE-2022-AVAST2","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://forum.avast.com/index.php?topic=318305.0","tags":["x_refsource_MISC","x_transferred","Patch","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-28965"},{"url":"https://github.com/advisories/GHSA-rpg4-8g9f-9p3r"}],"sources":{"cve":[{"id":"CVE-2022-28965","description":"Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.","status":"published","published":"2022-05-20T01:13:39Z","modified":"2024-08-03T06:10:58.625Z","updated_at":"2026-11-02T14:34:39.233406Z"}],"euvd":[{"id":"EUVD-2022-33397","description":"Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.","status":"published","published":"2022-05-20T01:13:39Z","modified":"2024-08-03T06:10:58Z","updated_at":"2026-11-03T03:25:39.28463Z"}],"ghsa":[{"id":"GHSA-rpg4-8g9f-9p3r","title":"Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast...","description":"Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.","status":"published","published":"2022-05-21T00:01:14Z","modified":"2023-01-28T05:05:24Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T14:44:20.513282Z"}],"nvd":[{"id":"CVE-2022-28965","description":"Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.","status":"published","published":"2022-05-20T02:15:07.263Z","modified":"2026-06-17T04:39:22.743Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T14:07:20.264424Z"}]}}