CVE-2021-21057 MEDIUM

CVE-2021-21057: Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer

Vendor Adobe
Product Acrobat Reader
Weakness CWE-476
Published February 11, 2021
Last update September 17, 2024

CVSS base score

6.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

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 affected by a null pointer dereference vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve denial of service 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

February 11, 2021 CVE published
September 17, 2024 Record updated