CVE-2021-39843 HIGH

CVE-2021-39843: Adobe Acrobat Reader XObject Out-of-Bound Write Vulnerability

Vendor Adobe
Product Acrobat Reader
Weakness CWE-787
Published September 29, 2021
Last update September 17, 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 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds write vulnerability that could result in 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

September 29, 2021 CVE published
September 17, 2024 Record updated