CVE-2021-21017: Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution
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 heap-based buffer overflow 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.
Other sources
Acrobat Acrobat and Reader contain a heap-based buffer overflow vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user.
— CISA
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this Adobe Acrobat and Reader vulnerability?
The vulnerability ID for this Adobe Acrobat and Reader vulnerability is CVE-2021-21017.
Which versions of Adobe Acrobat and Reader are affected by this vulnerability?
Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier), and 2017.011.30188 (and earlier) are affected by this vulnerability.
What is the severity rating of CVE-2021-21017?
The severity rating of CVE-2021-21017 is 8.8 (high).
How can an attacker exploit this vulnerability?
An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
Where can I find more information about this vulnerability?
You can find more information about this vulnerability at the following link: [Adobe Security Bulletin APSB21-09](https://helpx.adobe.com/security/products/acrobat/apsb21-09.html).