{"id":"CVE-2021-21874","aliases":["EUVD-2021-9045","GHSA-g8hx-765h-vxcc"],"status":"published","title":"A specially-crafted HTTP request can lead to arbitrary command execution in DSA keypasswd...","description":"A specially-crafted HTTP request can lead to arbitrary command execution in DSA keypasswd parameter. An attacker can make an authenticated HTTP request to trigger this vulnerability.","severity":{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.03011,"percentile":0.87583,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2021-12-22T18:06:26Z","modified":"2026-06-17T03:36:16Z","products":[{"vendor":"lantronix","product":"premierwave_2050_firmware"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1314","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21874"},{"url":"https://github.com/advisories/GHSA-g8hx-765h-vxcc"}],"sources":{"cve":[{"id":"CVE-2021-21874","description":"A specially-crafted HTTP request can lead to arbitrary command execution in DSA keypasswd parameter. An attacker can make an authenticated HTTP request to trigger this vulnerability.","status":"published","published":"2021-12-22T18:06:26Z","modified":"2024-08-03T18:23:29.692Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-9045","description":"A specially-crafted HTTP request can lead to arbitrary command execution in DSA keypasswd parameter. An attacker can make an authenticated HTTP request to trigger this vulnerability.","status":"published","published":"2021-12-22T18:06:26Z","modified":"2024-08-03T18:23:29Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T03:25:04.672228Z"}],"ghsa":[{"id":"GHSA-g8hx-765h-vxcc","title":"A specially-crafted HTTP request can lead to arbitrary command execution in DSA keypasswd...","description":"A specially-crafted HTTP request can lead to arbitrary command execution in DSA keypasswd parameter. An attacker can make an authenticated HTTP request to trigger this vulnerability.","status":"published","published":"2021-12-23T00:01:20Z","modified":"2023-02-03T05:03:29Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:53:22.246853Z"}],"nvd":[{"id":"CVE-2021-21874","description":"A specially-crafted HTTP request can lead to arbitrary command execution in DSA keypasswd parameter. An attacker can make an authenticated HTTP request to trigger this vulnerability.","status":"published","published":"2021-12-22T19:15:08.76Z","modified":"2026-06-17T03:36:16.603Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"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":"2026-11-02T14:07:02.566991Z"}]}}