{"id":"CVE-2024-5102","aliases":["EUVD-2024-46359","GHSA-75r7-wf67-87f9"],"status":"published","title":"Elevation of Privelage via symlinked file in Avast Antivirus","description":"A sym-linked file accessed via the repair function in Avast Antivirus \u003c24.2 on Windows may allow user to elevate privilege to delete arbitrary files or run processes as NT AUTHORITY\\SYSTEM. The vulnerability exists within the \"Repair\" (settings -\u003e troubleshooting -\u003e repair) feature, which attempts to delete a file in the current user's AppData directory as NT AUTHORITY\\SYSTEM. A low-privileged user can make a pseudo-symlink and a junction folder and point to a file on the system. This can provide a low-privileged user an Elevation of Privilege to win a race-condition which will re-create the system files and make Windows callback to a specially-crafted file which could be used to launch a privileged shell instance.\n\nThis issue affects Avast Antivirus prior to 24.2.","severity":{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00225,"percentile":0.1327,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1284","CWE-59"],"published":"2024-06-10T16:15:56Z","modified":"2026-06-17T08:15:11Z","products":[{"vendor":"avast","product":"antivirus"}],"references":[{"url":"https://support.norton.com/sp/static/external/tools/security-advisories.html","tags":["x_transferred","Not Applicable"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-5102"},{"url":"https://github.com/advisories/GHSA-75r7-wf67-87f9"}],"sources":{"cve":[{"id":"CVE-2024-5102","title":"Elevation of Privelage via symlinked file in Avast Antivirus","description":"A sym-linked file accessed via the repair function in Avast Antivirus \u003c24.2 on Windows may allow user to elevate privilege to delete arbitrary files or run processes as NT AUTHORITY\\SYSTEM. The vulnerability exists within the \"Repair\" (settings -\u003e troubleshooting -\u003e repair) feature, which attempts to delete a file in the current user's AppData directory as NT AUTHORITY\\SYSTEM. A low-privileged user can make a pseudo-symlink and a junction folder and point to a file on the system. This can provide a low-privileged user an Elevation of Privilege to win a race-condition which will re-create the system files and make Windows callback to a specially-crafted file which could be used to launch a privileged shell instance.\n\nThis issue affects Avast Antivirus prior to 24.2.","status":"published","published":"2024-06-10T16:15:56.581Z","modified":"2024-08-01T21:03:10.574Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high","assessor":"cna"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T14:34:01.630882Z"}],"euvd":[{"id":"EUVD-2024-46359","description":"A sym-linked file accessed via the repair function in Avast Antivirus \u003c24.2 on Windows may allow user to elevate privilege to delete arbitrary files or run processes as NT AUTHORITY\\SYSTEM. The vulnerability exists within the \"Repair\" (settings -\u003e troubleshooting -\u003e repair) feature, which attempts to delete a file in the current user's AppData directory as NT AUTHORITY\\SYSTEM. A low-privileged user can make a pseudo-symlink and a junction folder and point to a file on the system. This can provide a low-privileged user an Elevation of Privilege to win a race-condition which will re-create the system files and make Windows callback to a specially-crafted file which could be used to launch a privileged shell instance.\n\nThis issue affects Avast Antivirus prior to 24.2.","status":"published","published":"2024-06-10T16:15:56Z","modified":"2024-08-01T21:03:10Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high"}],"updated_at":"2026-11-03T03:50:35.230694Z"}],"ghsa":[{"id":"GHSA-75r7-wf67-87f9","title":"A sym-linked file accessed via the repair function in Avast Antivirus \u003c24.2 on Windows may allow...","description":"A sym-linked file accessed via the repair function in Avast Antivirus \u003c24.2 on Windows may allow user to elevate privilege to delete arbitrary files or run processes as NT AUTHORITY\\SYSTEM. The vulnerability exists within the \"Repair\" (settings -\u003e troubleshooting -\u003e repair) feature, which attempts to delete a file in the current user's AppData directory as NT AUTHORITY\\SYSTEM. A low-privileged user can make a pseudo-symlink and a junction folder and point to a file on the system. This can provide a low-privileged user an Elevation of Privilege to win a race-condition which will re-create the system files and make Windows callback to a specially-crafted file which could be used to launch a privileged shell instance.\n\nThis issue affects Avast Antivirus prior to 24.2.","status":"published","published":"2024-06-10T18:31:09Z","modified":"2024-06-12T18:31:44Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-59","CWE-1284"],"updated_at":"2026-11-02T14:57:28.765205Z"}],"nvd":[{"id":"CVE-2024-5102","description":"A sym-linked file accessed via the repair function in Avast Antivirus \u003c24.2 on Windows may allow user to elevate privilege to delete arbitrary files or run processes as NT AUTHORITY\\SYSTEM. The vulnerability exists within the \"Repair\" (settings -\u003e troubleshooting -\u003e repair) feature, which attempts to delete a file in the current user's AppData directory as NT AUTHORITY\\SYSTEM. A low-privileged user can make a pseudo-symlink and a junction folder and point to a file on the system. This can provide a low-privileged user an Elevation of Privilege to win a race-condition which will re-create the system files and make Windows callback to a specially-crafted file which could be used to launch a privileged shell instance.\n\nThis issue affects Avast Antivirus prior to 24.2.","status":"published","published":"2024-06-10T17:16:34.133Z","modified":"2026-06-17T08:15:11.497Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-1284","CWE-59"],"updated_at":"2026-11-02T14:10:04.111836Z"}]}}