{"id":"CVE-2021-40756","aliases":["EUVD-2021-27921","GHSA-g7gp-62jw-j6c8"],"status":"published","title":"Adobe After Effects NULL Pointer Dereference Application Denial of Service","description":"Adobe After Effects version 18.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01374,"percentile":0.7238,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2021-11-18T16:22:59Z","modified":"2026-06-17T04:07:23Z","products":[{"vendor":"adobe","product":"after effects"},{"vendor":"adobe","product":"after_effects"}],"references":[{"url":"https://helpx.adobe.com/security/products/after_effects/apsb21-79.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40756"},{"url":"https://github.com/advisories/GHSA-g7gp-62jw-j6c8"}],"sources":{"cve":[{"id":"CVE-2021-40756","title":"Adobe After Effects NULL Pointer Dereference Application Denial of Service","description":"Adobe After Effects version 18.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.","status":"published","published":"2021-11-18T16:22:59.862Z","modified":"2025-04-23T19:21:39.109Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27921","description":"Adobe After Effects version 18.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.","status":"published","published":"2021-11-18T16:22:59Z","modified":"2025-04-23T19:21:39Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:06.372143Z"}],"ghsa":[{"id":"GHSA-g7gp-62jw-j6c8","title":"Adobe After Effects version 18.4.1 (and earlier) is affected by a Null pointer dereference...","description":"Adobe After Effects version 18.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.","status":"published","published":"2021-11-19T00:00:31Z","modified":"2023-02-01T05:06:18Z","cwes":["CWE-476"],"updated_at":"2026-11-02T14:50:20.282326Z"}],"nvd":[{"id":"CVE-2021-40756","description":"Adobe After Effects version 18.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.","status":"published","published":"2021-11-18T17:15:10.333Z","modified":"2026-06-17T04:07:23.167Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}