{"id":"CVE-2022-31466","aliases":["EUVD-2022-52930","GHSA-2gxp-7297-pp9h"],"status":"published","title":"TOCTOU Vulnerability in Quick Heal Total Security","description":"Time of Check - Time of Use (TOCTOU) vulnerability in Quick Heal Total Security prior to 12.1.1.27 allows a local attacker to achieve privilege escalation, potentially leading to deletion of system files. This is achieved through exploiting the time between detecting a file as malicious and when the action of quarantining or cleaning is performed, and using the time to replace the malicious file by a symlink.","severity":{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00159,"percentile":0.05127,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367","CWE-59"],"published":"2022-05-23T18:19:30Z","modified":"2026-06-17T04:45:29Z","products":[{"vendor":"quickheal","product":"total_security"}],"references":[{"url":"https://softwaresec001.wordpress.com/2022/05/13/privilege-escalation-vulnerability-in-quick-heal-total-security/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-31466"},{"url":"https://github.com/advisories/GHSA-2gxp-7297-pp9h"}],"sources":{"cve":[{"id":"CVE-2022-31466","title":"TOCTOU Vulnerability in Quick Heal Total Security","description":"Time of Check - Time of Use (TOCTOU) vulnerability in Quick Heal Total Security prior to 12.1.1.27 allows a local attacker to achieve privilege escalation, potentially leading to deletion of system files. This is achieved through exploiting the time between detecting a file as malicious and when the action of quarantining or cleaning is performed, and using the time to replace the malicious file by a symlink.","status":"published","published":"2022-05-23T18:19:30Z","modified":"2024-08-03T07:19:05.682Z","cvss":[{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:34:35.615708Z"}],"euvd":[{"id":"EUVD-2022-52930","description":"Time of Check - Time of Use (TOCTOU) vulnerability in Quick Heal Total Security prior to 12.1.1.27 allows a local attacker to achieve privilege escalation, potentially leading to deletion of system files. This is achieved through exploiting the time between detecting a file as malicious and when the action of quarantining or cleaning is performed, and using the time to replace the malicious file by a symlink.","status":"published","published":"2022-05-23T18:19:30Z","modified":"2024-08-03T07:19:05Z","cvss":[{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:25:34.126863Z"}],"ghsa":[{"id":"GHSA-2gxp-7297-pp9h","title":"Quick Heal Total Security before 12.1.1.27 has a TOCTOU race condition that leads to privilege...","description":"Quick Heal Total Security before 12.1.1.27 has a TOCTOU race condition that leads to privilege escalation. It may follow a symlink that was created after a malware check.","status":"published","published":"2022-05-24T00:00:19Z","modified":"2023-01-28T05:05:08Z","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-367"],"updated_at":"2026-11-02T14:44:18.5771Z"}],"nvd":[{"id":"CVE-2022-31466","description":"Time of Check - Time of Use (TOCTOU) vulnerability in Quick Heal Total Security prior to 12.1.1.27 allows a local attacker to achieve privilege escalation, potentially leading to deletion of system files. This is achieved through exploiting the time between detecting a file as malicious and when the action of quarantining or cleaning is performed, and using the time to replace the malicious file by a symlink.","status":"published","published":"2022-05-23T19:16:07.74Z","modified":"2026-06-17T04:45:29.133Z","cvss":[{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H","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"},{"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-59","CWE-367"],"updated_at":"2026-11-02T14:07:21.261605Z"}]}}