CVE-2021-28552: Adobe Acrobat Reader DC XFA Template Use-After-Free Remote Code Execution Vulnerability
First published: Tue Jun 08 2021(Updated: )
Acrobat Reader DC versions versions 2021.001.20155 (and earlier), 2020.001.30025 (and earlier) and 2017.011.30196 (and earlier) are affected by an 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 | >=15.008.20082<=21.001.20155 | |
| Adobe Acrobat Reader | >=15.008.20082<=21.001.20155 | |
| Apple iOS and macOS | ||
| Microsoft Windows | ||
| Adobe Acrobat Reader | >=17.011.30180<=17.011.30196 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.001.30025 | |
| Adobe Acrobat Reader | >=17.011.30180<=17.011.30196 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.001.30025 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-28552?
CVE-2021-28552 is classified as a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2021-28552?
To fix CVE-2021-28552, users should update their Adobe Acrobat Reader DC to version 21.001.20156 or later.
What systems are affected by CVE-2021-28552?
CVE-2021-28552 affects Adobe Acrobat DC, including versions 2021.001.20155 and earlier, 2020.001.30025 and earlier, and 2017.011.30196 and earlier.
Can CVE-2021-28552 be exploited remotely?
Yes, CVE-2021-28552 can be exploited by unauthenticated attackers, potentially leading to remote code execution.
What should I do if I am using a vulnerable version related to CVE-2021-28552?
If you are using a vulnerable version related to CVE-2021-28552, you should immediately update to the latest version provided by Adobe.
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- vendor/adobe
- canonical/adobe acrobat
- version/adobe acrobat/15.008.20082
- version/adobe acrobat/21.001.20155
- canonical/adobe acrobat reader
- version/adobe acrobat reader/15.008.20082
- version/adobe acrobat reader/21.001.20155
- vendor/apple
- canonical/apple ios and macos
- vendor/microsoft
- canonical/microsoft windows
- version/adobe acrobat reader/17.011.30180
- version/adobe acrobat reader/17.011.30196
- version/adobe acrobat reader/20.001.30005
- version/adobe acrobat reader/20.001.30025