{"id":"CVE-2021-28560","published":"2021-09-02T16:08:03Z","modified":"2024-09-16T19:46:31Z","title":"Adobe Acrobat Reader heap corruption vulnerability could lead to arbitrary code execution","vendor":"Adobe","product":"Acrobat Reader","tier":"core","eol":null,"affectedVersions":[{"vendor":"Adobe","product":"Acrobat Reader","versions":[">= unspecified, <= 2020.001.30020",">= unspecified, <= 2021.001.20150",">= unspecified, <= 2017.011.30194",">= unspecified, <= None"]}],"description":{"text":"Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a Heap-based Buffer Overflow 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 file.","provenance":"source","from":"CVE.org"},"summary":{"text":"A heap-based buffer overflow in Adobe Acrobat Reader's core component lets an attacker corrupt memory on the heap. An unauthenticated attacker over the network can achieve arbitrary code execution in the context of the current user, but only if a victim is tricked into opening a malicious file.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:15:32Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.66918,"percentile":0.99294,"date":"2026-10-31","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":null,"cwes":[{"id":"CWE-122","name":"Heap-based Buffer Overflow"}],"references":[{"url":"https://helpx.adobe.com/security/products/acrobat/apsb21-29.html","tags":["x_refsource_MISC"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2021-15235","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-15235","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2021-09-02","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2021-28560","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":26.0,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.86,"detail":"percentile 0.9929"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.16,"detail":"base score 8.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-adobe-acrobat-reader-cwe-122"}}