{"id":"CVE-2021-20026","aliases":["EUVD-2021-7489","GHSA-24h9-xh6m-x5jf"],"status":"published","title":"A vulnerability in the SonicWall NSM On-Prem product allows an authenticated attacker to perform...","description":"A vulnerability in the SonicWall NSM On-Prem product allows an authenticated attacker to perform OS command injection using a crafted HTTP request. This vulnerability affects NSM On-Prem 2.2.0-R10 and earlier versions.","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":"2026-11-12","score":0.11642,"percentile":0.9611,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2021-05-27T19:10:10Z","modified":"2026-06-17T03:33:10Z","products":[{"vendor":"sonicwall","product":"network_security_manager"},{"vendor":"sonicwall","product":"sonicwall nsm on-prem"}],"references":[{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0014","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20026"},{"url":"https://github.com/advisories/GHSA-24h9-xh6m-x5jf"}],"sources":{"cve":[{"id":"CVE-2021-20026","description":"A vulnerability in the SonicWall NSM On-Prem product allows an authenticated attacker to perform OS command injection using a crafted HTTP request. This vulnerability affects NSM On-Prem 2.2.0-R10 and earlier versions.","status":"published","published":"2021-05-27T19:10:10Z","modified":"2024-08-03T17:30:07.526Z","cwes":["CWE-78"],"updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2021-7489","description":"A vulnerability in the SonicWall NSM On-Prem product allows an authenticated attacker to perform OS command injection using a crafted HTTP request. This vulnerability affects NSM On-Prem 2.2.0-R10 and earlier versions.","status":"published","published":"2021-05-27T19:10:10Z","modified":"2024-08-03T17:30:07Z","updated_at":"2026-11-03T03:25:10.418596Z"}],"ghsa":[{"id":"GHSA-24h9-xh6m-x5jf","title":"A vulnerability in the SonicWall NSM On-Prem product allows an authenticated attacker to perform...","description":"A vulnerability in the SonicWall NSM On-Prem product allows an authenticated attacker to perform OS command injection using a crafted HTTP request. This vulnerability affects NSM On-Prem 2.2.0-R10 and earlier versions.","status":"published","published":"2022-05-24T19:03:24Z","modified":"2023-01-29T05:07:46Z","cwes":["CWE-78"],"updated_at":"2026-11-02T14:46:11.123221Z"}],"nvd":[{"id":"CVE-2021-20026","description":"A vulnerability in the SonicWall NSM On-Prem product allows an authenticated attacker to perform OS command injection using a crafted HTTP request. This vulnerability affects NSM On-Prem 2.2.0-R10 and earlier versions.","status":"published","published":"2021-05-27T19:15:08.283Z","modified":"2026-06-17T03:33:10.157Z","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":"2026-11-02T14:06:53.987491Z"}]}}