CVE-2021-28639: Adobe Acrobat Reader DC setAction Use-After-Free Remote Code Execution Vulnerability
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-28639?
CVE-2021-28639 is rated as critical, allowing attackers to execute arbitrary code.
How do I fix CVE-2021-28639?
To mitigate CVE-2021-28639, update Adobe Acrobat Reader DC to the latest version provided by Adobe.
Which versions are affected by CVE-2021-28639?
CVE-2021-28639 affects Adobe Acrobat Reader DC versions 2021.005.20054 and earlier, as well as 2020.004.30005 and 2017.011.30197 and earlier.
Can CVE-2021-28639 allow remote code execution?
Yes, CVE-2021-28639 can allow an unauthenticated attacker to achieve arbitrary code execution.
Is there a workaround for CVE-2021-28639?
No specific workaround is provided for CVE-2021-28639; users are advised to update to the latest software version.