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Vulnerability DatabaseCVE-2021-28559

CVE-2021-28559: 
Adobe Acrobat Reader Continuous vulnerability analysis and mitigation

Overview

CVE-2021-28559 is an Information Exposure 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 2021, with Adobe Systems Incorporated being the assigning CNA (NVD, CVE).

Technical details

The vulnerability allows an unauthenticated attacker to gain access to restricted data stored within global variables and objects. The vulnerability has been assigned a CVSS v3.1 Base Score of 5.3 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N, indicating network accessibility with low attack complexity and no privileges required (NVD).

Impact

If exploited, this vulnerability could lead to unauthorized access to sensitive information stored in global variables and objects within Adobe Acrobat and Reader. The impact is primarily focused on confidentiality, with no direct impact on integrity or availability of the system (NVD).

Mitigation and workarounds

Adobe has released security updates to address this vulnerability. Users should update to the latest version of Adobe Acrobat and Reader DC to mitigate this security risk (Adobe Advisory).

Additional resources

Source: This report was generated using AI

Related Adobe Acrobat Reader Continuous vulnerabilities:

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Published date

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