{"id":"CVE-2023-42757","aliases":["EUVD-2023-47189","GHSA-4996-x4q8-5x37"],"status":"published","title":"Process Explorer before 17.04 allows attackers to make it functionally unavailable (a denial of...","description":"Process Explorer before 17.04 allows attackers to make it functionally unavailable (a denial of service for analysis) by renaming an executable file to a new extensionless 255-character name and launching it with NtCreateUserProcess. This can occur through an issue in wcscat_s error handling.","severity":{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00271,"percentile":0.195,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2024-05-07T00:00:00Z","modified":"2026-06-17T06:24:27Z","references":[{"url":"https://www.safebreach.com/blog/magicdot-a-hackers-magic-show-of-disappearing-dots-and-spaces/","tags":["x_transferred"]},{"url":"https://github.com/SafeBreach-Labs/MagicDot","tags":["x_transferred"]},{"url":"https://www.blackhat.com/asia-24/briefings/schedule/#magicdot-a-hackers-magic-show-of-disappearing-dots-and-spaces-36561","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42757"},{"url":"https://www.safebreach.com/blog/magicdot-a-hackers-magic-show-of-disappearing-dots-and-spaces"},{"url":"https://github.com/advisories/GHSA-4996-x4q8-5x37"}],"sources":{"cve":[{"id":"CVE-2023-42757","description":"Process Explorer before 17.04 allows attackers to make it functionally unavailable (a denial of service for analysis) by renaming an executable file to a new extensionless 255-character name and launching it with NtCreateUserProcess. This can occur through an issue in wcscat_s error handling.","status":"published","published":"2024-05-07T00:00:00Z","modified":"2025-03-26T20:47:52.918Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:17.812395Z"}],"euvd":[{"id":"EUVD-2023-47189","description":"Process Explorer before 17.04 allows attackers to make it functionally unavailable (a denial of service for analysis) by renaming an executable file to a new extensionless 255-character name and launching it with NtCreateUserProcess. This can occur through an issue in wcscat_s error handling.","status":"published","published":"2024-05-07T00:00:00Z","modified":"2025-03-26T20:47:52Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:50.381676Z"}],"ghsa":[{"id":"GHSA-4996-x4q8-5x37","title":"Process Explorer before 17.04 allows attackers to make it functionally unavailable (a denial of...","description":"Process Explorer before 17.04 allows attackers to make it functionally unavailable (a denial of service for analysis) by renaming an executable file to a new extensionless 255-character name and launching it with NtCreateUserProcess. This can occur through an issue in wcscat_s error handling.","status":"published","published":"2024-05-07T18:30:34Z","modified":"2025-03-26T21:32:06Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:00:28.149554Z"}],"nvd":[{"id":"CVE-2023-42757","description":"Process Explorer before 17.04 allows attackers to make it functionally unavailable (a denial of service for analysis) by renaming an executable file to a new extensionless 255-character name and launching it with NtCreateUserProcess. This can occur through an issue in wcscat_s error handling.","status":"published","published":"2024-05-07T18:15:08.033Z","modified":"2026-06-17T06:24:27.217Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:09:15.329996Z"}]}}