Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-21086
CVE-2021-21086:
Adobe Acrobat Reader Continuous vulnerability analysis and mitigation
Overview
CVE-2021-21086 is an Out-of-bounds Write vulnerability affecting Adobe Acrobat Reader DC. The vulnerability was discovered in multiple versions including 2020.013.20074 (and earlier), 2020.001.30018 (and earlier), and 2017.011.30188 (and earlier), specifically within the CoolType library. The vulnerability was disclosed on February 9, 2021 (Rapid7, NVD).
Technical details
The vulnerability is classified as an Out-of-bounds Write issue in the CoolType library of Adobe Acrobat Reader DC. It has been assigned a CVSS v3.1 base score of 7.8 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) and CVSS v2.0 score of 6.8 (AV:N/AC:M/Au:N/C:P/I:P/A:P). The vulnerability is tracked under CWE-787 (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 impact affects both Windows and macOS operating systems (CVE).
Mitigation and workarounds
Adobe has released security updates to address this vulnerability. Users should update to the latest version of Adobe Acrobat Reader DC to mitigate this security risk (Adobe Security).
Additional resources
Source: This report was generated using AI
Related Adobe Acrobat Reader Continuous vulnerabilities:
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