{"id":"CVE-2021-40751","aliases":["EUVD-2021-27916","GHSA-wpr8-fjvq-9g34"],"status":"published","title":"Adobe After Effects M4A File Parsing Memory Corruption Arbitrary Code Execution","description":"Adobe After Effects version 18.4 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious .m4a file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required in that the victim must open a specially crafted file to exploit this vulnerability.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02188,"percentile":0.82656,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-788"],"published":"2021-11-18T16:11:23Z","modified":"2026-06-17T04:07:22Z","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-2021-40751"},{"url":"https://github.com/advisories/GHSA-wpr8-fjvq-9g34"}],"sources":{"cve":[{"id":"CVE-2021-40751","title":"Adobe After Effects M4A File Parsing Memory Corruption Arbitrary Code Execution","description":"Adobe After Effects version 18.4 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious .m4a file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required in that the victim must open a specially crafted file to exploit this vulnerability.","status":"published","published":"2021-11-18T16:11:23.897Z","modified":"2025-04-23T19:22:10.028Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-788"],"updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27916","description":"Adobe After Effects version 18.4 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious .m4a file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required in that the victim must open a specially crafted file to exploit this vulnerability.","status":"published","published":"2021-11-18T16:11:23Z","modified":"2025-04-23T19:22:10Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:06.372143Z"}],"ghsa":[{"id":"GHSA-wpr8-fjvq-9g34","title":"Adobe After Effects version 18.4 (and earlier) is affected by a memory corruption vulnerability...","description":"Adobe After Effects version 18.4 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious .m4a file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required in that the victim must open a specially crafted file to exploit this vulnerability.","status":"published","published":"2022-05-24T19:21:04Z","modified":"2023-01-30T05:03:49Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119","CWE-788"],"updated_at":"2026-11-02T14:46:55.198962Z"}],"nvd":[{"id":"CVE-2021-40751","description":"Adobe After Effects version 18.4 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious .m4a file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required in that the victim must open a specially crafted file to exploit this vulnerability.","status":"published","published":"2021-11-18T17:15:09.573Z","modified":"2026-06-17T04:07:22.577Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-788","CWE-119"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}