{"id":"CVE-2020-5758","aliases":["EUVD-2020-26917","GHSA-fc8w-q5c3-5m5f"],"status":"published","title":"Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command...","description":"Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can execute commands as the root user by sending a crafted HTTP GET to the UCM's \"Old\" HTTPS API.","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":"2026-11-10","score":0.04375,"percentile":0.91357,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2020-07-17T20:35:47Z","modified":"2026-06-17T03:22:10Z","products":[{"vendor":"grandstream","product":"ucm6202_firmware"},{"vendor":"grandstream","product":"ucm6204_firmware"},{"vendor":"grandstream","product":"ucm6208_firmware"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2020-42","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5758"},{"url":"https://www.tenable.com/cve/CVE-2020-5758","tags":["Not Applicable"]},{"url":"https://github.com/advisories/GHSA-fc8w-q5c3-5m5f"}],"sources":{"cve":[{"id":"CVE-2020-5758","description":"Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can execute commands as the root user by sending a crafted HTTP GET to the UCM's \"Old\" HTTPS API.","status":"published","published":"2020-07-17T20:35:47Z","modified":"2024-08-04T08:39:25.723Z","cwes":["CWE-78"],"updated_at":"2026-11-02T14:35:47.56691Z"}],"euvd":[{"id":"EUVD-2020-26917","description":"Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can execute commands as the root user by sending a crafted HTTP GET to the UCM's \"Old\" HTTPS API.","status":"published","published":"2020-07-17T20:35:47Z","modified":"2024-08-04T08:39:25Z","updated_at":"2026-11-03T03:08:05.705852Z"}],"ghsa":[{"id":"GHSA-fc8w-q5c3-5m5f","title":"Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command...","description":"Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can execute commands as the root user by sending a crafted HTTP GET to the UCM's \"Old\" HTTPS API.","status":"published","published":"2022-05-24T17:23:54Z","modified":"2023-01-29T05:03:55Z","updated_at":"2026-11-02T14:45:25.585599Z"}],"nvd":[{"id":"CVE-2020-5758","description":"Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can execute commands as the root user by sending a crafted HTTP GET to the UCM's \"Old\" HTTPS API.","status":"published","published":"2020-07-17T21:15:13.81Z","modified":"2026-06-17T03:22:10.89Z","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-78"],"updated_at":"2026-11-02T14:06:10.086163Z"}]}}