{"id":"CVE-2021-33983","aliases":["EUVD-2021-20654","GHSA-vpxc-2f6h-gj8m"],"status":"published","title":"Buffer Overflow vulnerability in Dvidelabs flatcc v.0.6.0 allows local attacker to execute...","description":"Buffer Overflow vulnerability in Dvidelabs flatcc v.0.6.0 allows local attacker to execute arbitrary code via the fltacc execution of the error_ref_sym function.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/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":0.00313,"percentile":0.24501,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2023-02-17T00:00:00Z","modified":"2026-10-20T10:53:48Z","products":[{"vendor":"flatcc_project","product":"flatcc"}],"references":[{"url":"https://github.com/dvidelabs/flatcc/issues/188","tags":["x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33983"},{"url":"https://github.com/advisories/GHSA-vpxc-2f6h-gj8m"}],"sources":{"cve":[{"id":"CVE-2021-33983","description":"Buffer Overflow vulnerability in Dvidelabs flatcc v.0.6.0 allows local attacker to execute arbitrary code via the fltacc execution of the error_ref_sym function.","status":"published","published":"2023-02-17T00:00:00Z","modified":"2025-03-18T16:25:07.458Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20654","description":"Buffer Overflow vulnerability in Dvidelabs flatcc v.0.6.0 allows local attacker to execute arbitrary code via the fltacc execution of the error_ref_sym function.","status":"published","published":"2023-02-17T00:00:00Z","modified":"2025-03-18T16:25:07Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:59.954045Z"}],"ghsa":[{"id":"GHSA-vpxc-2f6h-gj8m","title":"Buffer Overflow vulnerability in Dvidelabs flatcc v.0.6.0 allows local attacker to execute...","description":"Buffer Overflow vulnerability in Dvidelabs flatcc v.0.6.0 allows local attacker to execute arbitrary code via the fltacc execution of the error_ref_sym function.","status":"published","published":"2023-02-17T18:30:23Z","modified":"2023-03-09T05:06:07Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:54:17.697698Z"}],"nvd":[{"id":"CVE-2021-33983","description":"Buffer Overflow vulnerability in Dvidelabs flatcc v.0.6.0 allows local attacker to execute arbitrary code via the fltacc execution of the error_ref_sym function.","status":"published","published":"2023-02-17T18:15:11.457Z","modified":"2026-06-17T03:55:26.1Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:07:07.323379Z"}],"osv":[{"id":"CVE-2021-33983","description":"Buffer Overflow vulnerability in Dvidelabs flatcc v.0.6.0 allows local attacker to execute arbitrary code via the fltacc execution of the error_ref_sym function.","status":"published","published":"2023-02-17T18:15:11.457Z","modified":"2026-10-20T10:53:48.700423915Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.13324Z"}]}}