{"id":"CVE-2021-39273","aliases":["EUVD-2021-25635","GHSA-6h4h-9xp4-x824"],"status":"published","title":"In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application...","description":"In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to arbitrary code execution with root privileges.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02671,"percentile":0.85954,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-276"],"published":"2021-08-19T11:59:39Z","modified":"2026-10-20T10:54:53Z","exploits":[{"source":"pocgithub","id":"nikip72/CVE-2021-39273-CVE-2021-39274","title":"nikip72/CVE-2021-39273-CVE-2021-39274","date":"2021-08-17","url":"https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274"}],"products":[{"vendor":"xerosecurity","product":"sn1per"}],"references":[{"url":"https://github.com/1N3/Sn1per/releases","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://github.com/1N3/Sn1per/issues/358","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39273"},{"url":"https://github.com/advisories/GHSA-6h4h-9xp4-x824"}],"sources":{"cve":[{"id":"CVE-2021-39273","description":"In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to arbitrary code execution with root privileges.","status":"published","published":"2021-08-19T11:59:39Z","modified":"2024-08-04T02:06:41.991Z","updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-25635","description":"In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to arbitrary code execution with root privileges.","status":"published","published":"2021-08-19T11:59:39Z","modified":"2024-08-04T02:06:41Z","updated_at":"2026-11-03T03:24:23.719378Z"}],"ghsa":[{"id":"GHSA-6h4h-9xp4-x824","title":"In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application...","description":"In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to arbitrary code execution with root privileges.","status":"published","published":"2022-05-24T19:11:41Z","modified":"2023-01-30T05:01:35Z","cwes":["CWE-276"],"updated_at":"2026-11-02T14:46:26.483285Z"}],"nvd":[{"id":"CVE-2021-39273","description":"In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to arbitrary code execution with root privileges.","status":"published","published":"2021-08-19T12:15:09.347Z","modified":"2026-06-17T04:03:27.073Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:06:57.318236Z"}],"osv":[{"id":"CVE-2021-39273","description":"In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to arbitrary code execution with root privileges.","status":"published","published":"2021-08-19T12:15:09.347Z","modified":"2026-10-20T10:54:53.857707425Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.843843Z"}]}}