CVE-2021-28639 HIGH

CVE-2021-28639: Adobe Acrobat Reader DC setAction Use-After-Free Remote Code Execution Vulnerability

Vendor Adobe
Product Acrobat Reader
Weakness CWE-416
Published August 20, 2021
Last update September 16, 2024

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 20, 2021 CVE published
September 16, 2024 Record updated