high8.8Known exploited
CVE-2021-21017
Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2021-11-03. Federal due date: 2021-11-17.
Apply updates per vendor instructions.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Adobe | Acrobat | from 17.0 through 17.011.30188 from 20.0 through 20.001.30018 |
| Adobe | Acrobat Dc | through 20.013.20074 |
| Adobe | Acrobat Reader | from 17.0 through 17.011.30188 from 20.0 through 20.001.300183 |
| Adobe | Acrobat Reader Dc | through 20.013.20074 |