{"id":"CVE-2021-20049","aliases":["EUVD-2021-7512","GHSA-8j6m-2r2j-2f2x"],"status":"published","title":"A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker...","description":"A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01391,"percentile":0.72565,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-203","CWE-204"],"published":"2021-12-23T01:20:09Z","modified":"2026-06-17T03:33:12Z","products":[{"vendor":"sonicwall","product":"sma_100_firmware"},{"vendor":"sonicwall","product":"sma_200_firmware"},{"vendor":"sonicwall","product":"sma_210_firmware"},{"vendor":"sonicwall","product":"sma_400_firmware"},{"vendor":"sonicwall","product":"sma_410_firmware"},{"vendor":"sonicwall","product":"sma_500v_firmware"},{"vendor":"sonicwall","product":"sonicwall sma100"}],"references":[{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0030","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20049"},{"url":"https://github.com/advisories/GHSA-8j6m-2r2j-2f2x"}],"sources":{"cve":[{"id":"CVE-2021-20049","description":"A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions.","status":"published","published":"2021-12-23T01:20:09Z","modified":"2024-08-03T17:30:07.418Z","cwes":["CWE-204"],"updated_at":"2026-11-02T14:32:55.905855Z"}],"euvd":[{"id":"EUVD-2021-7512","description":"A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions.","status":"published","published":"2021-12-23T01:20:09Z","modified":"2024-08-03T17:30:07Z","updated_at":"2026-11-03T03:25:09.841069Z"}],"ghsa":[{"id":"GHSA-8j6m-2r2j-2f2x","title":"A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker...","description":"A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions.","status":"published","published":"2021-12-24T00:00:46Z","modified":"2023-01-27T05:01:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200","CWE-203"],"updated_at":"2026-11-02T14:41:53.704212Z"}],"nvd":[{"id":"CVE-2021-20049","description":"A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions.","status":"published","published":"2021-12-23T02:15:06.583Z","modified":"2026-06-17T03:33:12.683Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-204","CWE-203"],"updated_at":"2026-11-02T14:07:02.566991Z"}]}}