7.8
CWE
416
Advisory Published
Updated

CVE-2021-21041: Acrobat Reader DC Use-After-Free 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 use-after-free vulnerability. 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>=17.0<=17.011.30188
Adobe Acrobat Reader>=20.0<=20.001.30018
Adobe Acrobat Reader DC<=20.013.20074
Adobe Acrobat Reader Notification Manager>=17.0<=17.011.30188
Adobe Acrobat Reader Notification Manager>=20.0<=20.001.300183
Adobe Acrobat Reader<=20.013.20074
macOS
Microsoft Windows Operating System

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2021-21041?

    CVE-2021-21041 is classified as a critical severity vulnerability due to its potential to allow arbitrary code execution.

  • How do I fix CVE-2021-21041?

    To fix CVE-2021-21041, update Adobe Acrobat Reader DC and Adobe Acrobat to the latest versions available.

  • What software versions are affected by CVE-2021-21041?

    CVE-2021-21041 affects Adobe Acrobat DC versions up to 20.013.20074 and specific versions of Adobe Acrobat Reader and Acrobat Reader DC.

  • Who can exploit CVE-2021-21041?

    CVE-2021-21041 can be exploited by unauthenticated attackers to execute arbitrary code.

  • What systems are impacted by CVE-2021-21041?

    CVE-2021-21041 impacts systems running affected versions of Adobe Acrobat Reader and Adobe Acrobat on both Windows and macOS.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203