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Vulnerability DatabaseCVE-2021-28546

CVE-2021-28546: 
Adobe Acrobat Reader Continuous vulnerability analysis and mitigation

Overview

Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a missing support for integrity check vulnerability (CVE-2021-28546). This vulnerability was disclosed on April 1, 2021, affecting Adobe Acrobat and Reader products on both Windows and macOS platforms (NVD).

Technical details

The vulnerability is characterized by missing support for an integrity check in Adobe Acrobat and Reader. It has been assigned a CVSS v3.1 base score of 6.5 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N. The vulnerability is classified under CWE-353 (Missing Support for Integrity Check) (NVD).

Impact

An unauthenticated attacker could leverage this vulnerability to modify content in a certified PDF without invalidating the certification. The exploitation requires user interaction, specifically requiring a victim to open the tampered file (NVD).

Mitigation and workarounds

Adobe has released security updates to address this vulnerability. Users are advised to update to the latest versions of Adobe Acrobat and Reader as detailed in the security bulletin APSB21-09 (Adobe Advisory).

Additional resources

Source: This report was generated using AI

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