CVE-2021-28550

Published Sep 2, 2021

Last updated 4 months ago

Overview

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.
Source
psirt@adobe.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity
HIGH

CVSS 3.0

Type
Secondary
Base score
9.6
Impact score
6
Exploitability score
2.8
Vector string
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Severity
CRITICAL

CVSS 2.0

Type
Primary
Base score
6.8
Impact score
6.4
Exploitability score
8.6
Vector string
AV:N/AC:M/Au:N/C:P/I:P/A:P

Known exploits

Data from CISA

Vulnerability name
Adobe Acrobat and Reader Use-After-Free Vulnerability
Exploit added on
Nov 3, 2021
Exploit action due
Nov 17, 2021
Required action
Apply updates per vendor instructions.

Weaknesses

psirt@adobe.com
CWE-416

Social media

Hype score
Not currently trending

Configurations