high
8.8
CWE
787
Advisory Published
Updated

CVE-2021-28564: Adobe Acrobat Reader out-of-bounds write vulnerability could lead to arbitrary code execution

First published: Thu Sep 02 2021(Updated: )

Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by an Out-of-bounds Write vulnerability within the ImageTool component. 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.

Credit: psirt@adobe.com

Affected SoftwareAffected VersionHow to fix
Adobe Acrobat Reader DC>=15.008.20082<=21.001.20150
Adobe Acrobat Reader>=15.008.20082<=21.001.20150
Microsoft Windows Operating System
Adobe Acrobat Reader>=17.011.30059<=17.011.30194
Adobe Acrobat Reader>=20.001.30005<=20.001.30020
Adobe Acrobat Reader Notification Manager>=17.011.30059<=17.011.30194
Adobe Acrobat Reader Notification Manager>=20.001.30005<=20.001.30020
macOS

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-28564?

    CVE-2021-28564 has been rated as critical due to its potential to allow an unauthenticated attacker to execute arbitrary code.

  • How do I fix CVE-2021-28564?

    To fix CVE-2021-28564, users should update their Adobe Acrobat Reader DC to the latest version available beyond the affected releases.

  • Which versions of Adobe Acrobat are affected by CVE-2021-28564?

    CVE-2021-28564 affects Adobe Acrobat Reader DC versions 2021.001.20150 and earlier, 2020.001.30020 and earlier, and 2017.011.30194 and earlier.

  • Can an attacker exploit CVE-2021-28564 remotely?

    Yes, an attacker can exploit CVE-2021-28564 remotely without authentication, making it a significant security risk.

  • What component is primarily affected in CVE-2021-28564?

    The ImageTool component in Adobe Acrobat is primarily affected by CVE-2021-28564, leading to an out-of-bounds write vulnerability.

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