CVE-2021-28545 HIGH

CVE-2021-28545: Acrobat Reader DC Missing Support for Integrity Check

Vendor Adobe
Product Acrobat Reader
Weakness CWE-353
Published April 1, 2021
Last update September 17, 2024

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker would have the ability to completely manipulate data in a certified PDF without invalidating the original certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file.

Key dates

02Disclosure timeline

April 1, 2021 CVE published
September 17, 2024 Record updated