CVE-2021-21017

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.

Recent assessments:

ccondon-r7 at March 30, 2021 10:13pm UTC reported:

Heap-based buffer overflow used in “limited, targeted attacks” according to Adobe’s advisory: <https://helpx.adobe.com/security/products/acrobat/apsb21-09.html&gt;

NinjaOperator at June 28, 2021 5:32pm UTC reported:

Heap-based buffer overflow used in “limited, targeted attacks” according to Adobe’s advisory: <https://helpx.adobe.com/security/products/acrobat/apsb21-09.html&gt;

Assessed Attacker Value: 0
Assessed Attacker Value: 0Assessed Attacker Value: 0