CVE-2021-28561: Adobe Acrobat Reader memory corruption vulnerability could lead to remote code execution
First published: Tue May 11 2021(Updated: )
Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a memory corruption 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 | >=15.008.20082<=21.001.20150 | |
| Adobe Acrobat Reader | >=15.008.20082<=21.001.20150 | |
| Microsoft Windows | ||
| Adobe Acrobat Reader | >=17.011.30059<=17.011.30194 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.001.30020 | |
| Adobe Acrobat Reader | >=17.011.30059<=17.011.30194 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.001.30020 | |
| Apple iOS and macOS |
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Frequently Asked Questions
What is the severity of CVE-2021-28561?
CVE-2021-28561 has a high severity rating due to its potential for arbitrary code execution.
How do I fix CVE-2021-28561?
To fix CVE-2021-28561, ensure that you update Adobe Acrobat Reader DC to the latest version beyond 2021.001.20150.
Which versions of Adobe Acrobat are affected by CVE-2021-28561?
CVE-2021-28561 affects Adobe Acrobat Reader DC versions 2021.001.20150 and earlier, as well as various versions of Adobe Acrobat and Acrobat Reader up to specific earlier versions.
Can CVE-2021-28561 be exploited by authenticated users?
CVE-2021-28561 can be exploited by unauthenticated users, making it particularly dangerous.
What type of vulnerability is CVE-2021-28561?
CVE-2021-28561 is classified as a memory corruption vulnerability.
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