{"id":"CVE-2021-20043","aliases":["EUVD-2021-7506","GHSA-857m-46rq-rj5c"],"status":"published","title":"A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a...","description":"A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.","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":"2026-11-11","score":0.23259,"percentile":0.97804,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2021-12-08T09:55:27Z","modified":"2026-06-17T03:33:12Z","products":[{"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-2021-0026","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20043"},{"url":"https://github.com/advisories/GHSA-857m-46rq-rj5c"}],"sources":{"cve":[{"id":"CVE-2021-20043","description":"A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.","status":"published","published":"2021-12-08T09:55:27Z","modified":"2024-08-03T17:30:07.6Z","cwes":["CWE-122"],"updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7506","description":"A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.","status":"published","published":"2021-12-08T09:55:27Z","modified":"2024-08-03T17:30:07Z","updated_at":"2026-11-03T03:25:09.841069Z"}],"ghsa":[{"id":"GHSA-857m-46rq-rj5c","title":"A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a...","description":"A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.","status":"published","published":"2021-12-09T00:01:12Z","modified":"2023-02-01T05:06:43Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:24.546925Z"}],"nvd":[{"id":"CVE-2021-20043","description":"A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.","status":"published","published":"2021-12-08T10:15:08.1Z","modified":"2026-06-17T03:33:12.017Z","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":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}