{"id":"CVE-2021-42721","aliases":["EUVD-2021-29681","GHSA-5cwc-v53c-rj65"],"status":"published","title":"Adobe Bridge Use After Free could lead to Arbitrary code execution","description":"Acrobat Bridge versions 11.1.1 and earlier are affected by a use-after-free vulnerability in the processing of Format event actions that could result in arbitrary code execution 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":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.03661,"percentile":0.89786,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-416"],"published":"2021-11-16T20:02:38Z","modified":"2026-06-17T04:10:00Z","products":[{"vendor":"adobe","product":"bridge"},{"vendor":"adobe","product":"media_encoder"}],"references":[{"url":"https://helpx.adobe.com/security/products/bridge/apsb21-94.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42721"},{"url":"https://helpx.adobe.com/security/products/media-encoder/apsb21-70.html"},{"url":"https://github.com/advisories/GHSA-5cwc-v53c-rj65"}],"sources":{"cve":[{"id":"CVE-2021-42721","title":"Adobe Bridge Use After Free could lead to Arbitrary code execution","description":"Acrobat Bridge versions 11.1.1 and earlier are affected by a use-after-free vulnerability in the processing of Format event actions that could result in arbitrary code execution 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":"2021-11-16T20:02:38.918Z","modified":"2024-09-17T01:16:10.186Z","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","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29681","description":"Acrobat Bridge versions 11.1.1 and earlier are affected by a use-after-free vulnerability in the processing of Format event actions that could result in arbitrary code execution 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":"2021-11-16T20:02:38Z","modified":"2024-09-17T01:16:10Z","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"}],"updated_at":"2026-11-03T00:28:51.310992Z"}],"ghsa":[{"id":"GHSA-5cwc-v53c-rj65","title":"Adobe Media Encoder version 15.4 (and earlier) are affected by a memory corruption vulnerability....","description":"Adobe Media Encoder version 15.4 (and earlier) are affected by a memory corruption vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious M4A file.","status":"published","published":"2022-05-24T19:20:46Z","modified":"2023-01-30T05:03:35Z","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-416"],"updated_at":"2026-11-02T14:46:52.374347Z"}],"nvd":[{"id":"CVE-2021-42721","description":"Acrobat Bridge versions 11.1.1 and earlier are affected by a use-after-free vulnerability in the processing of Format event actions that could result in arbitrary code execution 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":"2021-11-16T21:15:10.047Z","modified":"2026-06-17T04:10:00.787Z","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","assessor":"secondary"},{"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","assessor":"primary"},{"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-416"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}