CVE-2021-28550

Published: Sep 2, 2021Modified: Jun 17, 2026CISA KEV

8.8

Vector

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

Exploitability: 2.8 / Impact: 5.9

Source: NVD

Description

Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a 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 (8)

Products: Adobe: Acrobat Dc, Acrobat Reader Dc, Acrobat, Acrobat Reader

4 products

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Adobe Acrobat Dc	15.008.20082 ≤ version ≤ 21.001.20150
Adobe Acrobat Reader Dc	15.008.20082 ≤ version ≤ 21.001.20150

Configuration B

4 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Adobe Acrobat	17.011.30059 ≤ version ≤ 17.011.30194
Adobe Acrobat	20.001.30005 ≤ version ≤ 20.001.30020
Adobe Acrobat Reader	17.011.30059 ≤ version ≤ 17.011.30194
Adobe Acrobat Reader	20.001.30005 ≤ version ≤ 20.001.30020