CVE-2021-28642: Adobe Acrobat Pro DC Out-of-Bounds Write Arbitrary Code Execution Vulnerability
First published: Fri Aug 20 2021(Updated: )
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Out-of-bounds write 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<=21.005.20054 | |
| Adobe Acrobat | >=17.011.30059<=17.011.30197 | |
| Adobe Acrobat | >=20.001.30005<=20.004.30005 | |
| Adobe Acrobat Reader | >=15.008.20082<=21.005.20054 | |
| Adobe Acrobat Reader | >=17.011.30059<=17.011.30197 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.004.30005 |
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Frequently Asked Questions
What is the severity of CVE-2021-28642?
CVE-2021-28642 is classified as a critical vulnerability due to the potential for arbitrary code execution.
How do I fix CVE-2021-28642?
To fix CVE-2021-28642, update Adobe Acrobat Reader DC to the latest version available.
What versions are affected by CVE-2021-28642?
CVE-2021-28642 affects Acrobat Reader DC versions 2021.005.20054 and earlier, 2020.004.30005 and earlier, and 2017.011.30197 and earlier.
Can CVE-2021-28642 be exploited remotely?
Yes, CVE-2021-28642 can be exploited by an unauthenticated attacker to execute arbitrary code.
What types of software are impacted by CVE-2021-28642?
CVE-2021-28642 impacts both the continuous and classic versions of Adobe Acrobat DC and Adobe Acrobat Reader DC.
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- agent/software-canonical-lookup-request
- vendor/adobe
- canonical/adobe acrobat
- version/adobe acrobat/15.008.20082
- version/adobe acrobat/21.005.20054
- version/adobe acrobat/17.011.30059
- version/adobe acrobat/17.011.30197
- version/adobe acrobat/20.001.30005
- version/adobe acrobat/20.004.30005
- canonical/adobe acrobat reader
- version/adobe acrobat reader/15.008.20082
- version/adobe acrobat reader/21.005.20054
- version/adobe acrobat reader/17.011.30059
- version/adobe acrobat reader/17.011.30197
- version/adobe acrobat reader/20.001.30005
- version/adobe acrobat reader/20.004.30005