critical
9.3
CWE
787
Advisory Published
Updated

CVE-2021-21062: Acrobat Reader DC Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution

First published: Thu Feb 11 2021(Updated: )

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Memory corruption vulnerability when parsing a specially crafted PDF file. 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>=17.011.30059<=17.011.30188
Adobe Acrobat Reader>=20.001.30005<=20.001.30018
Adobe Acrobat Reader DC>=15.008.20082<=20.013.20074
Adobe Acrobat Reader Notification Manager>=17.011.30059<=17.011.30188
Adobe Acrobat Reader Notification Manager>=20.001.30005<=20.001.30018
Adobe Acrobat Reader>=15.008.20082<=20.013.20074
macOS
Microsoft Windows Operating System

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-21062?

    CVE-2021-21062 has a severity rating that indicates it can allow memory corruption, leading to potential code execution.

  • How do I fix CVE-2021-21062?

    To mitigate CVE-2021-21062, users should update their Adobe Acrobat or Acrobat Reader software to the latest version.

  • Which versions are affected by CVE-2021-21062?

    CVE-2021-21062 affects Adobe Acrobat Reader DC versions prior to 2020.013.20074, 2020.001.30018, and 2017.011.30188.

  • Can an attacker exploit CVE-2021-21062 remotely?

    Yes, an unauthenticated attacker could exploit CVE-2021-21062 by crafting a specially designed PDF file.

  • What type of vulnerability is CVE-2021-21062?

    CVE-2021-21062 is classified as a memory corruption vulnerability.

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