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CVE-2021-21088

nvd nist
Published: Sep 6, 2023Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

Description

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (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 (6)

Adobe
4 products
Acrobat
Acrobat Dc
Acrobat Reader
Acrobat Reader Dc
Configuration A
6 vulnerable · 2 platform
Vulnerable SoftwareAffected Versions
Adobe
Acrobat
From 17.011.30180 to 17.011.30190
Acrobat
From 20.001.30005 to 20.001.30020
Acrobat Dc
From 15.007.20033 to 21.001.20135
Adobe
Acrobat Reader
From 17.011.30180 to 17.011.30190
Acrobat Reader
From 20.001.30005 to 20.001.30020
Acrobat Reader Dc
From 15.007.20033 to 21.001.20135
Running on/withPlatform Versions
Apple
Macos
All versions
Microsoft
Windows
All versions

Related CWEs

CWE-416
Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (2)

Source: psirt@adobe.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.