CVE-2021-28560
Adobe Acrobat Reader Continuous vulnerability analysis and mitigation

Overview

CVE-2021-28560 is a Heap-based Buffer Overflow vulnerability affecting Adobe Acrobat Reader DC versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier), and 2017.011.30194 (and earlier). The vulnerability was discovered and disclosed in March 2021, with Adobe releasing patches in May 2021 (Adobe Advisory).

Technical details

This vulnerability is classified as a Heap-based Buffer Overflow (CWE-122) with a CVSS v3.1 Base Score of 8.8 HIGH (Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). The vulnerability requires user interaction, specifically opening a malicious file, to be exploited (NVD).

Impact

If successfully exploited, this vulnerability could allow an unauthenticated attacker to achieve arbitrary code execution in the context of the current user. The high CVSS score indicates potential severe impacts on confidentiality, integrity, and availability of the affected system (NVD).

Mitigation and workarounds

Adobe has released security updates to address this vulnerability in their May 2021 security bulletin. Users are advised to update to the latest version of Adobe Acrobat and Reader (Adobe Advisory).

Additional resources


SourceThis report was generated using AI

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