{"id":"CVE-2021-3823","aliases":["EUVD-2021-27072","GHSA-pv3r-p93c-qvjx"],"status":"published","title":"Path traversal vulnerability in Bitdefender GravitZone Update Server in relay mode","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects: Bitdefender GravityZone versions prior to 3.3.8.249.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01063,"percentile":0.64902,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2021-10-28T13:55:12Z","modified":"2026-06-17T04:05:50Z","products":[{"vendor":"bitdefender","product":"gravityzone"},{"vendor":"bitdefender","product":"gravityzone update server"}],"references":[{"url":"https://www.bitdefender.com/support/security-advisories/path-traversal-vulnerability-in-bitdefender-gravitzone-update-server-in-relay-mode-va-10039/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3823"},{"url":"https://github.com/advisories/GHSA-pv3r-p93c-qvjx"}],"sources":{"cve":[{"id":"CVE-2021-3823","title":"Path traversal vulnerability in Bitdefender GravitZone Update Server in relay mode","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects: Bitdefender GravityZone versions prior to 3.3.8.249.","status":"published","published":"2021-10-28T13:55:12.997Z","modified":"2024-09-16T16:28:06.148Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-27072","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects: Bitdefender GravityZone versions prior to 3.3.8.249.","status":"published","published":"2021-10-28T13:55:12Z","modified":"2024-09-16T16:28:06Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T00:55:51.557415Z"}],"ghsa":[{"id":"GHSA-pv3r-p93c-qvjx","title":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in...","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects: Bitdefender GravityZone versions prior to 3.3.8.249.","status":"published","published":"2022-05-24T19:19:03Z","modified":"2023-01-30T05:03:28Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:46:50.469176Z"}],"nvd":[{"id":"CVE-2021-3823","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects: Bitdefender GravityZone versions prior to 3.3.8.249.","status":"published","published":"2021-10-28T14:15:08.733Z","modified":"2026-06-17T04:05:50.467Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:07:00.549994Z"}]}}