{"id":"CVE-2021-39863","published":"2021-09-29T15:40:54Z","modified":"2024-09-17T03:13:55Z","title":"Adobe Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution","vendor":"Adobe","product":"Acrobat Reader","tier":"tail","description":{"text":"Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Buffer Overflow vulnerability when parsing a specially crafted PDF file. 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 file.","provenance":"source","from":"CVE.org"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.13191,"percentile":0.96354,"provenance":"source"},"cwes":[{"id":"CWE-122","name":"Heap-based Buffer Overflow"}],"references":[{"url":"https://helpx.adobe.com/security/products/acrobat/apsb21-55.html","tags":["x_refsource_MISC"]}],"priority":{"score":29.7,"factors":[{"name":"EPSS percentile","points":19.27},{"name":"Public exploit code","points":5.0},{"name":"CVSS severity","points":5.46}]},"exploitSources":{"pocGithub":{"count":2,"skipped":0,"earliest":"2021-12-12","earliestUrl":"https://github.com/lsw29475/CVE-2021-39863","repos":[{"name":"lsw29475/CVE-2021-39863","url":"https://github.com/lsw29475/CVE-2021-39863","stars":2,"created":"2021-12-12"},{"name":"WHS-SEGFAULT/CVE-2021-39863","url":"https://github.com/WHS-SEGFAULT/CVE-2021-39863","stars":1,"created":"2024-08-13"}]},"first":{"date":"2021-12-12","source":"PoC-in-GitHub","url":"https://github.com/lsw29475/CVE-2021-39863"},"provenance":"source"},"vendorSlug":"adobe","affectedVersions":[{"vendor":"Adobe","product":"Acrobat Reader","versions":[">= unspecified, <= DC 2021 July",">= unspecified, <= 20.0-Classic 2021 July",">= unspecified, <= 17.0-Classic 2021 July",">= unspecified, <= None"]}],"euvd":{"id":"EUVD-2021-26220","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-adobe-acrobat-reader-cwe-122"}}