{"id":"CVE-2020-15568","aliases":["EUVD-2020-7555","GHSA-j542-2x58-5jg4"],"status":"published","title":"TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root...","description":"TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.29196,"percentile":0.98185,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-78","CWE-913"],"published":"2021-01-30T04:59:40Z","modified":"2026-06-17T02:56:50Z","exploits":[{"source":"nuclei","id":"CVE-2020-15568","title":"TerraMaster TOS \u003c.1.29 - Remote Code Execution","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-15568.yaml"},{"source":"pocgithub","id":"divinepwner/TerraMaster-TOS-CVE-2020-15568","title":"divinepwner/TerraMaster-TOS-CVE-2020-15568","date":"2023-02-21","url":"https://github.com/divinepwner/TerraMaster-TOS-CVE-2020-15568"},{"source":"pocgithub","id":"n0bugz/CVE-2020-15568","title":"n0bugz/CVE-2020-15568","date":"2022-10-22","url":"https://github.com/n0bugz/CVE-2020-15568"}],"products":[{"vendor":"terra-master","product":"tos"}],"references":[{"url":"https://help.terra-master.com/TOS/view/","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://ssd-disclosure.com/ssd-advisory-terramaster-os-exportuser-php-remote-code-execution/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15568"},{"url":"https://github.com/advisories/GHSA-j542-2x58-5jg4"}],"sources":{"cve":[{"id":"CVE-2020-15568","description":"TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.","status":"published","published":"2021-01-30T04:59:40Z","modified":"2024-08-04T13:22:29.264Z","updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2020-7555","description":"TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.","status":"published","published":"2021-01-30T04:59:40Z","modified":"2024-08-04T13:22:29Z","updated_at":"2026-11-03T03:07:31.508652Z"}],"ghsa":[{"id":"GHSA-j542-2x58-5jg4","title":"TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root...","description":"TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.","status":"published","published":"2022-05-24T17:40:39Z","modified":"2023-01-29T05:05:11Z","cwes":["CWE-78"],"updated_at":"2026-11-02T14:45:43.934947Z"}],"nvd":[{"id":"CVE-2020-15568","description":"TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.","status":"published","published":"2021-01-30T05:15:12.493Z","modified":"2026-06-17T02:56:50.123Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-913"],"updated_at":"2026-11-02T14:06:30.596418Z"}]}}