CVE-2021-21033: 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 Software | Affected Version | How 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 |
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Frequently Asked Questions
What is the severity of CVE-2021-21033?
CVE-2021-21033 is rated as critical due to its potential to allow arbitrary code execution by an unauthenticated attacker.
How do I fix CVE-2021-21033?
To fix CVE-2021-21033, update Adobe Acrobat Reader DC to the latest version that addresses this vulnerability.
Which versions of Adobe Acrobat Reader are affected by CVE-2021-21033?
Affected versions include Adobe Acrobat Reader DC versions up to 20.013.20074, 2020.001.30018, and 2017.011.30188.
What type of vulnerability is CVE-2021-21033?
CVE-2021-21033 is classified as a Use After Free vulnerability.
Can CVE-2021-21033 be exploited remotely?
Yes, CVE-2021-21033 can be exploited remotely by an unauthenticated attacker.
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