{"id":"CVE-2021-3641","aliases":["EUVD-2021-26941","GHSA-mg9g-xrgm-6mf3"],"status":"published","title":"Improper Link Resolution Before File Access in Bitdefender GravityZone (VA-9921)","description":"Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00353,"percentile":0.29326,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2021-11-09T14:10:14Z","modified":"2026-06-17T04:05:29Z","products":[{"vendor":"bitdefender","product":"gravityzone"}],"references":[{"url":"https://www.bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-gravityzone-va-9921","tags":["x_refsource_MISC","x_transferred","Broken Link","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-143/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3641"},{"url":"https://github.com/advisories/GHSA-mg9g-xrgm-6mf3"}],"sources":{"cve":[{"id":"CVE-2021-3641","title":"Improper Link Resolution Before File Access in Bitdefender GravityZone (VA-9921)","description":"Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions.","status":"published","published":"2021-11-09T14:10:14.024Z","modified":"2024-09-17T02:47:52.551Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:33:03.671751Z"}],"euvd":[{"id":"EUVD-2021-26941","description":"Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions.","status":"published","published":"2021-11-09T14:10:14Z","modified":"2024-09-17T02:47:52Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"updated_at":"2026-11-03T00:28:37.375568Z"}],"ghsa":[{"id":"GHSA-mg9g-xrgm-6mf3","title":"Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG...","description":"Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions.","status":"published","published":"2022-05-24T19:20:08Z","modified":"2023-01-30T05:03:32Z","cwes":["CWE-59"],"updated_at":"2026-11-02T14:46:51.429276Z"}],"nvd":[{"id":"CVE-2021-3641","description":"Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions.","status":"published","published":"2021-11-09T14:15:11.643Z","modified":"2026-06-17T04:05:29.523Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}